13 Best Sleeping Bag Liners in 2020

Sleeping bag liners work very similarly to sheets in that they protect your bed from nastiness and provide an easy to remove and clean solution that ensures your mattress a longer and fresher life.

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Sleeping bags can be expensive and the last thing you want to do is sleep in nastiness so let’s get your sleeping bag lined and ready to roll! In this guide, we’ll talk about why sleeping bag liners are an important piece to add for your gear arsenal, the differences in materials you may come across when shopping, and finally, we’ll do the heavy lifting and bring to you great prices on the best sleeping bag liners so that you can get back to counting sheep instead of shopping around.

How to Choose the Right Bag Liner (Buying Guide)

Sleeping bag liners act as a barrier between you and your sleeping bag ensuring that whatever filth you track in is easily removed and doesn’t come into contact with your sleeping bag.

Sleeping bags are also a major pain to wash. They take a long time to dry and many of them don’t play nicely with dryers. Sleeping bag liners are as easy to clean as regular sheets are and most of them are dryer safe or have the ability to air dry in just a couple hours. Sleeping bags often have padding and materials stitched on the inside to keep their shape and form. Throwing an entire sleeping bag into the washer may cause extra wear and tear on those stitchings and over time, your sleeping bag may lose its form and comfort. Sleeping bag liners will help extend the life of your bag by allowing you to wash it significantly less while still being hygienic!

Sleeping bag liners are also excellent for when your buddy asks to borrow your sleeping bag. Throw in a liner and when he gets home, pull that sucker out and your bag should be as fresh as when you left it!

Sleeping bag liners can work independently of your sleeping bag too and many people often use them as a small compact solution to deploy in the event a lodge or hostel has a rather low level of care and attention to detail. Where sketchy mattresses may dwell, a sleeping bag liner saves the day on its own and is a well worth addition for anyone that travels often and not just outdoorsman!

I know a lot of people refuse to buy a sleeping bag liner because it costs a little money or takes up a little pack space. I don’t agree with that ideology because good sleeping bags can cost three figures while high-quality sleeping bag liners can be had for well under a hundred bucks. That’s surely a worthwhile investment to further protect your more expensive investments, save you time, and enhance the performance of your gear all while weighing no more than a bundle of wool socks.

Understanding Materials

Sleeping Bag Liners Are NOT All Created Equally. Just like sleeping bags themselves, you pay for what you get and there is a vast world of options consisting of many different materials and brands. Although I’d say brand matters less here than perhaps it would matter in the world of knives or boots, it’s still extremely important to understand the pros and cons of the materials used to build your sleeping bag liners. Materials will range in thickness, durability, and how much thermal protection they will add to the bag.

Silk: Silk is usually the go-to option for premium bedding and it’s no surprise the same rings true for sleeping bag liners. Of course, these will almost always cost significantly more than other materials like cotton or polyester blends, but it will be by far the most comfortable. Silk has been widely known to be good for your skin too and as an added bonus, silk packs up tightly into nice and neat little squares or rolls that take up a fraction of the space as other liner materials. Some silk liners can pack down to the size of your fist making these by far the most compact option.

Silk is one of the lightest materials a sleeping bag liner is made of but the drawback here is that they aren’t usually very thick and so they won’t add a great deal of heat to your sleeping arrangement but they do add a slight bit, making these great for when you primarily camp out in the summer but perhaps take a few fall and spring trips as well. Silk also dries insanely quickly compared to cotton and doesn’t hold moisture from sweat like cotton might, enabling you to be warmer via being drier!

Cotton: Cotton is usually the cheaper option but still has many pros to consider such as coming in both thick and heavy and also thin and light variants. Cotton does a decent job of adding warmth to the bag but isn’t nearly as nice to sleep in as silk or as easy to clean as synthetic fibers. Cotton, as you probably already are familiar with, also takes a long time to dry when it’s thick and even when dry, is considerably heavier than silk. Washing cotton liners is as easy as simply throwing it in the washing machine with all of the rest of your gunked up gear as opposed to silk and some other materials needing to be alone and washed using special settings.

Fleece: Fleece is often the choice when you need a low-cost option to add warmth to your bag quickly and easily. Fleece and also microfleece are that soft and cozy material we all know and love that are heavy and bulky but sometimes well worth the additional weight. Some of these liners can easily add 15°F to any sleeping bag they fit inside of. Fleece typically dries moderately, usually a tad bit slower than silk and a tad bit quicker than cotton, depending on thickness. What I love about fleece is how dependable it feels. Fleece blankets and liners give me the confidence to throw that sucker on the bare ground and sleep on it if I have to and in the morning it’ll still be intact with little to no damage and a quick flick of the wrist sends all the debris flying off. I wouldn’t ever do that with a silk or cotton liner! Think of fleece liners as the Carhartt of the sleeping bag liners world.

Synthetic: These materials are usually a blend of cotton and polyester but can be many things such as nylon or polyester and nylon blends. You might see the term “CoolMax” being thrown around when shopping for liners and basically, CoolMax is a moisture-wicking polyester cotton blend that excels specifically in humid environments. Blending a natural material like cotton with something like polyester adds a lot of options to the manufacturer, such as keeping costs low, increasing the durability of a natural material, adding extra sections like gussets, reinforcing seams, increasing the materials ability to dry, etc. Synthetic materials can be used for many things in sleeping bag liners so really, it’s important to see exactly what materials are being used and why that specific product was built that way to consider its pros and cons against the other materials.

RipStop: RipStop isn’t actually a material on its own and can actually consist of any of the materials on this list. RipStop uses another material like cotton, silk, polyester, etc, and implements a specialized manufacturing technique where the threads are arranged in a pattern that, when ripped or torn, ensures the rip doesn’t continue through the rest of the fabric. Think of RipStop as a type of damage containment system where if damage were to occur, RipStop material is there to contain the damage and ensure it doesn’t get any worse. RipStop fabrics are among my favorites when it comes to outdoor gear because let’s be real, no matter how careful you are, your gear will incur situations where there is a high likelihood of damage.

Insulation: Of course, many manufacturers just make their liners thicker if the goal is to add warmth and better insulate your sleeping arrangement, however, there are also special materials that may not be great on the outside of the liner but might truly excel at adding warmth when stuffed on the inside of the liner. Sometimes you may see something like “Thermolite” which basically means it’s a specialized manufacturing process that traps air between each and every fiber, creating air pockets that increase the level of insulation.

Environmental Protection: Some liners are specifically designed to further protect you from harsh environments or pesky critters. Take the “Insect Shield” found on many Sea to Summit models. These are purpose-built liners that keep pests from entering and disturbing your slumber.

Gussets: Gussets or gusseted sections are basically just reinforcement in places the liner is most likely to fail at. Gussets are usually triangular or diamond-shaped pieces of enhanced fabrics that are placed in the middle of multiple seams. A conjunction of multiple seams leaves the bag open to catastrophic failure if even one of those seams is compromised but with a gusset, the tension is evenly distributed over a central piece of fabric instead of just the seams themselves. Gussets allow for sections of the bag that endure the brunt of abuse and tension to have a bit more stretchability and strength. Gussets are usually found on premium liners and really just make the liner a lot more durable and dependable.

Understanding Form Factors

There are three primary shapes a sleeping bag is available in; Mummy, Spoon, and Rectangular. Please note that liners for mummy bags can sometimes be referred to as slim and liners for rectangular bags can sometimes be referred to as a travel sheet.

The mummy-style liners are made for mummy-style sleeping bags and encompass a slim and tight fit. The rectangular style of liners is, well, rectangular, like a bedsheet, and is far more versatile as it works well being used as protection from questionable housekeeping skills in lodging accommodations as well as packing up tightly into a sleeping bag. Rectangular designs are a bit more versatile but they may feel cramped being used in a tight mummy bag.

Spoon sleeping bags and liners offer the best of both worlds scenario. The spoon style is more spacious and much easier for side sleepers to maneuver about inside the bag with a little leg room to boot but are still much more compact and usually lighter than a rectangular bag with slightly less space at the top.

Really, choosing the shape of a liner comes down to what you have, what you’re going to get, and what you do. If you already have a nice sleeping bag that’s a mummy-style, you’ll really need to go with a mummy-style liner as well or deal with some fabric bunching up in the foot section of your mummy bag.

Finding liners that are purpose-built for spoon-shaped sleeping bags can be a little challenging and for the most part, people tend to use mummy liners inside of spoon-shaped sleeping bags but you could also use a rectangular liner as well with perhaps a little extra fabric but nothing too horrendous.

If you have a rectangular sleeping bag, you could choose either shape and your choice would hinge on what you find more comfortable. Mummy liners still work incredibly well inside of a rectangular bag but may reduce the freedom of movement inside your spacious rectangular sleeping bag.

If you really need versatility and you plan to use your sleeping bag liner for more than just sleeping bags, I’d probably choose a rectangular shape as they are better for use with a mattress, cot, air mattress, etc.

Other attributes of form factor include attached hoods and pillow compatibility. Hooded liners are excellent to use with hooded mummy sleeping bags but can also be used with a sleeping bag that doesn’t have a hood. Perhaps you bought a mummy bag that’s minimalistic and lightweight but you need a hood for especially cold adventures and thus, a hooded liner is the liner for you! Do you often use a pillow or do you rough it and just use a T-shirt? It doesn’t really matter, because pillow compatible liners are basically liners with a flap or zip compartment where you can stuff a pillow or really whatever you want inside and it’ll stay warm and in place throughout the night.

Sleeping Bag Liner Reviews Section

Hopefully, my guide on sleeping bag liners has shed light on why you absolutely should be getting one and that leads us to figure out which sleeping bag liners are worth your hard-earned money and where you can find them! Sleeping bag liners come in all shapes, sizes, prices, and material construction so remember, taking a few minutes to relax and consider how you’ll be using your liner is the main priority before pulling the trigger. People that are often unhappy with their liners usually have simply just bought the wrong one!

Here at Marine Approved, we have some pretty extensive experience sleeping under the stars with sleeping bag liners but we can’t possibly review each and every liner ever built. With that said, we’ve compiled a list of our favorites from reputable brands that have created durable and purposeful products. If you’ve come across an amazing sleeping bag liner that we’ve missed, let us know in the comments and we’ll do our best to grab a few night’s sleep in it and give you our take!

Here Are the Best Sleeping Bag Liners in 2020

1. Coleman Stratus (Best Value Fleece Liner)

Coleman Stratus Sleeping Bag Liner

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Estimated Price: $21
Material Construction: Fleece
Form Factor: Rectangular

My Review: Coleman is the kind of brand you go with when you need to save money but you also need a brand name that’s been around a long time and always provides “get r’ done” type of equipment. These aren’t amazing or superior in the market by any means, but they do offer great value for the price.

Something I immediately noticed was the zipper system and how it’s a bit unique to others I’ve seen. First, the zipper is shaped like a plow and matched up with a fleece construction, it hardly ever snags at all. That same zipper system can unzip all the way creating a blanket form factor and, to get even crazier, you can zip a bunch of these up together in case you decide to share the brilliant softness of your Coleman Stratus.

These are available in a bunch of colors and although I’ve linked you to the best price I could find, that link will deliver a random color unless you contact the seller and work something out. Personally, I really like the green, but you can choose between a burnt orange, hunters orange, or a flat gray as well.

Key Features:

  • Premium thick fleece capable of adding around 10F of warmth
  • ZipPlow system that ensures no snagging and allows for multiple Stratus liners to be chained together
  • Elastic storage band that aids in stuffing this monster into a compression sack

2. Osage River Microfiber Sleeping Bag Liner (Budget Pick)

OSAGE RIVER Microfiber Fleece Sleeping Bag Liner

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Estimated Price: $17
Material Construction: Microfiber Fleece
Form Factor: Rectangular

My Review: I have raved and raved and raved about Osage River products from backpacks to firearm transport bags and I must say, they make fantastic gear all the way around and never seem to disappoint. Osage River is run by a group that truly loves and understands the same things we do – enjoying the great outdoors using premium gear that doesn’t murder our bank accounts.

These are one of the cheapest fleece liners on the market that I recommend buying but please, don’t let the low cost fool you into thinking these are low quality. These fleece liners run up there with the more expensive ones in terms of cost and, to be frank, they get the job done well without being extra fancy and costing you extra money.

Microfiber fleece is amazing. Not sold? I get it, you want that sleek and stylish satin and hey, if you got the satin money, go for it, if you don’t, microfiber fleece is the low budget bang for your buck option. On their own, they can keep ya cozy down to 50 degrees and paired up with a sleeping bag they should add roughly 10 degrees. Similarly to the Coleman offering, these unzip and turn into a giant cozy blanket which I really like as I hate bringing along blankets but hey, if it does both, that’s not so bad!

Key Features:

  • Turns into a massive blanket with the flick of a zipper
  • Excellent quality microfiber fleece that sits right in that sweet spot of comfort, thickness, and weight
  • Has a 50F rating on its own or adds about 10F degrees to the sleeping bag of your choice

3. Sea to Summit Premium Silk Travel Liner (Highest Quality)

Sea to Summit Premium Silk Travel Liner

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Estimated Price: $90
Material Construction: RipStop Silk
Form Factor: Options for pretty much all form factors

My Review: Sea to Summit is a brand we’ve recommended for many of their other products such as their dry bags found on our page here. I actually considered Sea to Summit liners because of how well they’ve impressed me with other products and despite them typically being a bit more expensive than other brands, you get a whole lot of value and usability that is more than worth the additional cost.

The Sea to Summit Premium Silk lineup is certainly the most expensive we’ve decided to recommend but to be quite frank, these are the best liners on the market. The AA grade RipStop silk used in these liners is absolutely incredibly comfortable and dries faster than any other liners I’ve experienced. These pack up into such a tiny space that it’s a travesty not to take them along with you and they offer tons of options that should probably suit just about anyone and everyone.

Let’s talk about the options you get here because it’s incredible and probably the most options offered on any liner. One of my favorites is the standard mummy-style liner they offer but you can get a mummy liner with a hood, a standard rectangular design, an elongated rectangle, a double, liners with pillow compatibility, etc. Speaking of options, you also get to choose between five different color configurations! They have so many options that you may even find that they have several that will work with your situation!

As a final note, these liners are built with Lycra form-fitting panels that stretch and move as you do throughout the night. No more getting caught up in a tight and bundled up liner, these move about and allow you to breath inside your bag while offering excellent sleeping bag protection and a bit of additional warmth. These liners are some of the best and most versatile you’ll find on the market today and I highly recommend them for pretty much anyone, from the avid outdoorsman to the occasional hygienically conscience traveler.

Key Features:

  • Constructed from the highest quality AA silk with the RipStop weaving technique
  • Available in over 10 different form factors including some with pillow inserts and hoods
  • Lycra Stretch panels that allow the liner to form fit your body and your sleeping bag

4. Sea to Summit Thermolite Reactor (Very Versatile)

Sea to Summit Thermolite Reactor Liners

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Estimated Price: $70
Material Construction: Polyester or Fleece options
Form Factor: Hooded Mummy or Mummy

My Review: It shouldn’t come as a surprise to see another Sea to Summit product on this list. We love their stuff but I promise this will be the last one on this list so that I can show a bit more variety, despite them having many more incredible options like the Reactor Extreme.

First things first, the original Sea to Summit Thermolite Reactor was constructed of 100% polyester and didn’t have any zipper function so they were a little difficult to get in and out of if you’re not a small dude. Never fear, though, because the new version is made out of incredibly warm high-quality fleece and alas, they’ve given us the option to unzip a quarter of the liner which, trust me, makes a massive difference. I think you can still find the old polyester version and those are still pretty good too, but I prefer the new quarter-zip fleece variant.

Now let’s talk about form factors. The fleece is a drawstring hooded mummy style and I believe the old polyester versions are just mummies without hoods. I tend to gravitate towards non-hooded liners because I don’t usually use hooded sleeping bags either, but since it’s fleece, has a nice zipper, and has incredible overall build quality, I don’t mind the hood at all, especially because these liners are so great that you can use them like a sleeping bag itself when it’s hot outside.

The Thermolite in the name isn’t just for cool points, it’s actually signifying that the fleece used has hollow-core fibers that trap air and insulate the bag while maintaining a thin and lightweight profile. These bag liners are capable of insulating just as good as liners that are much thicker and heavier and it’s for that reason why I love these so much. If you’re like me and you tend to pack out for several days, every gram of weight matters and when you can use technology like ThermoLite to bring a lighter but more effective piece of gear, that’s a big win for me! These should add around 20 to 30F degrees to your current set up depending on whether you choose fleece or polyester.

Key Features:

  • ThermoLite Fleece capable of adding up to 30F or Extreme Polyester options capable of adding about 20F
  • Fleece options utilize a quarter zip while polyester models do not
  • The Fleece Extreme is one of the warmest but also lightweight sleeping bag liners on the market and can be had in several sizes

5. Cocoon Silk MummyLiner (Very Comfortable)

Cocoon Silk MummyLiner

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Estimated Price: $85
Material Construction: AA RipStop Silk
Form Factor: Mummy

My Review: Cocoon makes some truly amazing liners that all fall under three-digit price tags but turns your sleeping bag into a three-digit success rate! We’ve found that this is one of the most comfortable and high-quality silk liners ever made and it doesn’t hurt that they are available in 9 different amazing color configurations!

These liners are capable of adding between 5 to 10F and are excellent to use as a standalone in warm weather. They aren’t the most powerful in terms of adding warmth in extremely cold weather but they are some of the most comfortable and premium feeling sleeping bag liners you can buy today. By the way, these things weigh like just a couple ounces and when stuffed into a backpack, the weight addition is almost nonexistent.

Want to save some money? The Cocoon Coolmax mummy liner is basically the same idea and design but with cheaper polyester material. I’d say they both perform similarly in both cold and warm weather, however, the silk option is far superior in both durability and overall comfort.

Key Features:

  • Constructed of extremely smooth AA silk and available in a bunch of creative color configurations
  • Available in either standard liner size or a larger 95”x35” option
  • The addition of roughly 5-10F and only costing you about 4 ounces of added weight

6. Cocoon MummyLiner Coolmax (Great for Warm Weather)

Cocoon MummyLiner Coolmax

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Estimated Price: $45
Material Construction: Polyester CoolMax
Form Factor: Mummy

My Review: Cocoon makes an excellently simple and elegantly designed mummy bag liner constructed of Coolmax polyester. The Coolmax polyester is extremely breathable, probably the most breathable of any liner we’ve tested and is optimized for moisture-wicking by using a four-channel fiber configuration.

The Cocoon liners do not come with a zip-up function and honestly, this is one of the best options for use on its own in hot weather. Traveling around and staying in hostels in South East Asia? Maybe you’re backpacking through Central America? These make great blankets when unzipped and do a fantastic job of keeping you covered up but also keeping you cool while giving you the option to throw them into a mummy bag for use in cold weather.

Not a fan of polyester? The silk version is roughly double the cost but to me, it is three times the comfort!

Key Features:

  • Excellent warm-weather standalone bag or cold weather mummy liner due to its CoolMax quad-channel fiber construction
  • Moisture-wicking capability
  • Comes with a nice nylon drawstring bag for storage and do not host a zipper

7. ALPS Mountaineering Bag Liner

ALPS Mountaineering Bag Liner

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Estimated Price: $20-$30
Material Construction: Brushed Polyester or Polyester Cotton blend
Form Factor: Hooded Mummy

My Review: Alps Mountaineering makes some of the most amazing heavy-duty long-distance hiking backpacks so when I saw they offered a sleeping bag liner for a relatively low price, I had to take a look.

These are available in mummy shapes and are offered in two color combinations that I found to be kind of funny. Usually, when multiple colors are available the manufacturer chooses colors that are far away from each other to satisfy the most amount of people but not these guys, you get either gray or gray that’s called charcoal. Outstanding!

They do have a rectangular version but I have yet to review that model, I think it may have come out later after the mummy liner was released so I haven’t really seen them around much yet.

Despite the color choices being kind of comedic to me, these are truly amazing liners for mummy bag users. You can choose to go with a more premium feeling polyester cotton blend or you can save like five bucks and get a brushed polyester construction, which to me, feels a lot like regular polyester but that’s fine, it’s still a great liner and performs extremely well.

This liner is a lot more for the protection of your sleeping bag and easy cleaning/drying than it is for adding a lot of additional warmth to your sleeping arrangement. These are quite thin and made to pack well for hiking and thus do not contain the necessary thickness to insulate exceptionally.

Key Features:

  • Your choice of polyester blended cotton or brushed polyester constructions with either gray or charcoal color configurations
  • An extremely lightweight and minimalistic design weighing only 11oz
  • Left side zipper opening

8. Browint Silk Liner

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Estimated Price: $60
Material Construction: AA Mulberry Silk
Form Factor: Rectangular or Hooded Mummy

My Review: Browint is kind of a lesser-known brand in the world of outdoor gear but oh boy do they make some excellent sleeping bag liners. These Mulberry silk liners are rated AA and come in at momme-8 which is about an ounce of silk per square meter or, in lamens terms, very thick with silk but still rather lightweight and easy to transport.

Browint is well aware there are many different kinds of sleeping bags and so you can find these liners for rectangular or hooded mummy bags and of course, a hooded liner will work just fine with a non-hooded bag as well. Furthermore, they have options for pillow compatibility and a couple different sizes to make sure you get what you need. Lastly, in terms of options, they offer their liners in 14 different colors although I found that my favorite color was only available in a form factor I didn’t want, but hopefully, they get more in and you’ll be able to choose freely.

The liners are reinforced with gusseted sections that make them a bit more maneuverable and the liners come with a very nice RipStop nylon drawstring bag to easily carry the liner on the outside of your backpack if needed.

Key Features:

  • Constructed of AA-rated 8-momme Mulberry Silk which is one of the smoothest liner constructions we’ve reviewed
  • Available in 16 color configurations with either 87”x43” or 73”x34” size options
  • Use of gussets and reinforced seams to increase durability while keeping the entire liner light

9. Snugpak (Very Well Rounded)

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Estimated Price: $45
Material Construction: Fleece and Polyester
Form Factor: Hooded Mummy

My Review: One of those pesky blended liners, is that what you want?

Yeah, it might be actually. These are insanely soft and the fleece is readily apparent when you shimmy into this bad boy but it also has the shine and sleekness provided from the synthetic fibers of polyester. These liners are not only insanely soft and comfortable but are very thick and very warm. The Snugpak liners offer roughly 15F of added warmth and are not recommended for warm weather but more so enhancing the capabilities of lightweight sleeping bags in the winter.

I must admit, this is one of the best hood designs on any liner I’ve reviewed. I really love how tight you can get them with the drawstring tension system and they fit very well with sleeping bags that have hoods of all different types of shapes and sizes.

Key Features:

  • Blended and knitted fleece and polyester provide for excellent warmth and a high level of durability
  • These weigh about 2lbs so they aren’t the lightest but they are extremely thick and warm
  • These pack down to a package size of roughly 10”x7” and fit snugly inside the included compression carry bag

10. Teton Sports Mammoth Bag Liner

Teton Sports Mammoth Bag Liner

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Estimated Price: $15-$25
Material Construction: Cotton or Polyester Options
Form Factor: Rectangular

My Review: Teton offers a ton of stuff in the outdoor niche so it’s absolutely no surprise they’ve whipped up a formidable sleeping bag body sock that’ll keep your bags clean and your junk warm.

These sleeping bag liners only come in rectangular form factors and are purpose-built for the Teton Mammoth sleeping bags (basically a queen size sleeping bag), however, after popular demand, they released an XL version that’s just kind of a regular sleeping bag liner except it’s still rectangular and still bunches up in a mummy bag! It is XL, though, and there are no smaller options available at this time, so really, these are primarily for XL bag users. Oh well, there are plenty of great options for mummy bag users and when it comes to XL+ rectangular bag users, the Teton bag liners are as good as any.

Okay, so they lack form factor option but hey, they do give you the option to choose whether or not you want to cozy up with cotton of polyester. The cotton liners are, of course, more expensive but they’re also warmer and more comfortable. I honestly wouldn’t really recommend saving the few dollars and getting the polyester version unless you just really personally like polyester. The cotton version is superior, in my opinion, in every category besides price and really, I think it’s like five or six bucks more so it’s not really a big factor.

The flanks of the liner open up nicely about 2 feet from the top giving you a much easier shimmy into these than a liner that doesn’t open up at all and it closes up with velcro tabs that are just okay. I prefer a quality zipper closure but the velcro isn’t horrible and it’s quieter than other velcro closure systems on the market if early morning silence matters to you.

Key Features:

  • Your choice of polyester or cotton in either a standard XL/XXL size or, what they call “Mammoth” but is actually just a queen size
  • Machine washable and usable as travel sheets
  • Velcro opening allowing for 2’ of clearance

11. Litume Camping Liners (Great for Cold Weather)

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Estimated Price: $40
Material Construction: Fleece
Form Factor: Hooded Mummy

My Review: A 1lb bag liner that adds up to 27F is what they advertise and to me, that sounded absolutely ridiculous, especially at just forty bucks. I won’t lie to you, it actually is kind of ridiculous and I highly doubt you’ll get a 27F buff, however, you will get a significant buff in warmth, perhaps something around the 20F area and I promise you, this thing is super comfortable!

Coming in at one of the lightest but most capable fleece sleeping bag liners we’ve reviewed, the Litume doesn’t disappoint despite the somewhat overzealous marketing hype. What you get here is a very tightly knitted fleece liner with a pretty good drawstring hood and yeah, it does only weigh about a pound which is incredible for the performance you’re getting here. To make the deal a bit better, you get a little compression sack!

A final note on this liner is that it comes with a nice foot box that has an abnormally amazing range of motion compared to most other mummy liners. I usually feel a bit cramped in the foot area while using most liners but this one far exceeds my expectations in that regard.

Key Features:

  • Constructed of extremely high-quality fleece while still weighing just a tad over a pound
  • Excellently spacious foot box
  • Easy to compress into the included compression sack

12. Tough Outdoors Travel Sheet

Tough Outdoors XL Sleeping Bag Liner

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Estimated Price: $15-$25
Material Construction: Polyester or Cotton options
Form Factor: Rectangular

My Review: For the price of a case of light brews you can pick yourself up a rough and tough rectangular sleeping bag liner constructed of either cotton or polyester with your choice of whether or not you want a zipper. Tough Outdoors has delivered exactly the options you need to get an excellent quality rectangular liner!

The most expensive option is my favorite, go figure, right? The $25 choice brings to you a 100% cotton construction that is far softer and more comfortable than the polyester and it sports a nice zipper. If you’d like to save some change, you can opt for the polyester version that’s slightly lighter and should save you about ten bucks. I certainly recommend the cotton version as I believe it’s worth it, but the choice is yours! You’ll get about 10F of additional warmth either way you go, whether its cotton or polyester that you choose.

Key Features:

  • A complete cotton or polyester construction in your choice of white, blue, or gray
  • The choice of a zipper that enables you to use this as a full blanket
  • Easily machine washable and compressed into the included compression sack

13. The Friendly Swede Stuff Sack

The Friendly Swede Stuff Sack

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Estimated Price: $22
Material Construction: Silk or Microfiber Cotton options
Form Factor: Rectangular

My Review: I wouldn’t necessarily recommend this for heavy outdoor use, although you could do it, but more so I’d go the Friendly Swede route if you’re looking for a light sheet-like protector against unkept hostel beds. You get to choose between cotton or silk and with a price difference of only like four bucks, I think the silk option is the obvious choice, however, the cotton liners are just as high-quality.

What’s a little different with these guys is the option to get a velcro closure on the sides. I’m not sure this is the optimal choice when striving for every additional bit of warmth but it is a pretty neat option that gets rid of the hard and pointy zipper system. My only concern here is how loud it’s going to be when you wake up ahead of your hostel mates!

Key Features:

  • Your choice of cotton or, for a few extra bucks, silk, and also a choice between zipper or velcro closure systems
  • Available in blue, white, or gray and is able to unfold for use as a blanket
  • Pillow section and compression bag included

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