Best Sleeping Bag Liner Guide (Warmest, Lightweight, Backpacking) 2021

One of the main concerns about camping is achieving a great night’s sleep. While there are many camping hacks and bits of equipment that may help with this, the easiest solution has got to be a sleeping bag liner.

Sleeping bag liners roll up into tiny, lightweight packs – making them super easy to carry around. When you unpack them, you can turn any off-putting beds or sleeping bags into a thing of luxury. There are so many benefits that come with using a simple liner that it would seem crazy to go camping without one.

Whether you are looking for additional warmth, comfort, keeping your sleeping bag clean, thermal control, or just an added level of luxury (high-quality silk bag liner anyone?), be sure to consider these handy tools.

Here is our ultimate guide on the best sleeping bag liner for you to take on your next adventure!


Looking for the best sleeping bag liner to improve your camping experience? Out of all our sleeping bag liner reviews, the overall best pick would have to go to the Litume Thermolite All Seasons Sleeping Bag Liner

This insulated sleeping bag liner is soft, stretchy, and durable. It offers an improved night’s sleep for restless sleepers while keeping you warm during the colder evenings. Read on for a more in-depth look into these awesome accessories.



Sleeping Bag Liners Reviewed

  1. Litume Thermolite All Season Sleeping Bag Liner
  2. Tough Outdoors Sleeping Bag Liner
  3. Sea to Summit Thermolite Reactor Sleeping Bag Liner Series, Extreme (82x36)
  4. Coleman Sleeping Bag | 50°F Fleece Sleeping Bag Liner |
  5. The Friendly Swede Sleeping Bag Liner – Travel and Camping Sheet
  6. OSAGE RIVER Microfiber Fleece Sleeping Bag Liner
  7. Cocoon Silk MummyLiner (Natural, 95-Inch x 35/22-Inch)
  8. Vumos Sleeping Bag Liner and Camping Sheet
  9. Outdoor Vitals Sleeping Bag Liner
  10. Volcano Mountain Sleeping Bag Liner

Sleeping Bag Liner Comparison Table

Sleeping Bag LinerImageBest ForPriceOverallBuy Now
Litume Thermolite All Season Sleeping  Bag Liner

Overall Best$$$10 Check Price

Vumos Sleeping Bag Liner and Camping Sheet

Best Large Liner$$8 Check Price

Tough Outdoors XL Sleeping Bag Liner

Great for Warmth$8.5 Check Price

Sea to Summit Thermolite Reactor Liner

Warmest$$$$9 Check Price

Coleman Stratus Adult Fleece Sleeping Bag Liner

Best Fleece Liner$$8 Check Price

Outdoor Vitals Sleeping Bag Liner

Best Lightweight Liner$$8.5 Check Price

The Friendly Swede Sleeping Bag Liner

Best For Backpacking$$9 Check Price

Volcano Mountain Sleeping Bag Liner

Best Compact Liner$$8 Check Price

Osage River Microfiber Fleece Sleeping Bag Liner

Most Versatile$$7.5 Check Price

Cocoon Silk Mummy Liner

Best Silk Liner$$$$9 Check Price

Warmest Sleeping Bag Liner

Out of all the products that we tested out, the Sea to Summit Thermolite Reactor Liner has to be the best sleeping bag liner for cold weather. How much warmth? This product can add an extra 25°F to your sleeping bag’s temperature rating. Making this the best sleeping bag liner for warmth. Other amazing warm sleeping bag liners include:

Best Backpacking Sleeping Bag Liner 

The best sleeping bag liner for backpacking needs to be lightweight and easy to carry around. Our top pick here would have to go to The Friendly Swede Sleeping Bag Liner. This is such a quality product, made with the traveler in mind. It is easy to pack up, lightweight, and budget-friendly! Other great backpacking options include: 

Best Silk Sleeping Bag Liner

If you are after a luxurious experience, then a silk liner is what you are after! Our favorite choice here has to to be the Cocoon Silk Mummy Liner. This product is durable, comfortable, warm, and super soft. Other great silk liners include: 

Best Lightweight Sleeping Bag Liner

When traveling with a sleeping bag liner, you will certainly want it to be lightweight and convenient. Our best pick in this category goes to the Outdoor Vitals Sleeping Bag Liner. This product is so compact that you will hardly notice carry it around! Other great lightweight liners include: 

The 10 Best Sleeping Bag Liners

If you want to upgrade your camping experience, then sleeping bag liners are the way to go. Here is a look into ten of the best bag liners available to elevate your night’s sleep.

Litume Thermolite All Season Sleeping Bag Liner

  • Can add up to 22°F to your sleeping bag
  • Soft and elastic fabric
  • A mummy sleeping sack with a hood
  • Folds down to fit the 6.3” x 4.3” carry sack

This Litume liner has been specially designed to provide as much warmth and comfort wherever you go. It’s ultra-lightweight and folds up to fit into a 6.3”x 4.3” carry sack so that you can easily travel with it.

It is a great choice for those seeking extra warmth and comes in handy for those cozy nights under the stars. This product is made using some remarkably soft, smooth and elastic fibers that lock in the heat. This is taken to the next level with a drawstring hood – something that is also ideal for keeping away bugs.

Another great feature is how stretchy this liner is. Although it wraps snugly around you, the stretchy side panels ensure no movement is restricted while you are sleeping. This product is easy to carry around, warm to use, and super comfortable. Overall, this is a brilliant addition to any camper’s equipment.

  • Has a comfortable foot box design
  • Super elastic and soft material
  • Has a drawstring hood
  • Added warmth
  • Lightweight and compact
  • Quite a thin sleeping bag liner
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Vumos Sleeping Bag Liner and Camping Sheet

  • Features a full-length zipper
  • Includes a top pillow pocket
  • Silk-like finish
  • Weighs 11.5 ounces when packed up

If you are after sleeping bag sheets, then be sure to check out this product by Vumos. Unlike other liners this one has a zipper that runs its entire length – allowing you to fully unzip it and use it as a sheet at no extra cost.

As a sleeping bag liner, this product does a fantastic job. It’s compact and lightweight, while still providing plenty of space. In fact, this liner is 85 inches long – perfect for a tall person stretching their legs!

Another attractive feature is the silk material and how good it feels. The inside layer is extravagantly silky and soft – allowing for superior comfort without a hefty price tag.

  • Super soft lining
  • Lightweight and compact
  • Value for money
  • Can also be used as a sheet
  • Not the warmest sleeping bag liner and rather suited to warmer climates
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Tough Outdoors XL Sleeping Bag Liner

  • Adds 5 – 10°F to your sleeping bags temperature
  • 85 inches in length
  • Made with super-soft polyester
  • Packs into a convenient carry bag

Looking to go backpacking? This product by Tough Outdoors is one of our favorite picks. No matter where you go, you’re always guaranteed a clean and comfortable sleep with this XL sleeping bag liner.

As the name suggests, this liner provides plenty of space! Measuring in at 85 inches in length, there is plenty of room to stretch out your legs while sleeping. This is a really good sleeping bag liner being an extremely easy product to carry around, as it is conveniently lightweight and compact.

The liner is made from polyester, a synthetic fabric, and is soft to touch while also being a reliable moisture wicking material. Not only will this make your sleeping bag extra cozy to lie in, but it also provides added warmth.

  • Great value for money
  • Really easy to transport
  • Very spacious
  • Features a bottom zipper for your feet
  • Includes a pillowcase
  • Not waterproof
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Sea to Summit Thermolite Reactor Liner

  • 110mg/m2 Thermolite construction throughout 
  • Adds 25°F to your sleeping bag
  • Mummy shape with a foot box
  • Packs into a compact stuff sack

Looking to add warmth to your trip? The 110mg Thermolite insulated sleeping bag liner adds so much more to your night’s sleep. Besides adding a great deal of extra warmth, it’s also super soft and comfortable to wrap yourself in like most insulated liners.

Unlike other liners, mummy liners are always a favorite for those after the most snug experience. The tapered mummy shape knitted fabric may be soft, but it also features some great stretch. This allows you to move around quite a bit.

Sea to Summit is a brand that focuses on creating top quality products for all kinds of outdoor situations. This sleeping bag liner is durable, built to last, and made to add an extra level of comfort to any adventure

We highly recommend insulated liners for anyone seeking a noticeable increase in added warmth and coziness to their night’s sleep. This is one of the best sleeping bag liners available and if you want to keep your bag clean, easy to wash.

  • Easy to wash
  • Very lightweight
  • Made with quality fabric
  • Includes a foot box
  • Durable
  • Soft and warm
  • A more expensive sleeping bag liner
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Coleman Stratus Adult Fleece Sleeping Bag Liner

  • A fleece lining
  • Features a ZipPlow system
  • Elastic storage strap and stuff sack
  • Adds up to 12°F extra to thermal sleeping bags

This thermal sleeping bag liner by Coleman is an amazing way to bump your campsite up a notch. This is a full fleece liner – providing you with the highest level of comfort and softness.

Unlike most fleece liners, it is also versatile as you can use it on its own in temperatures as low as 50°F. It can also be enjoyed as a blanket, a sheet, or for added warmth to your thermal sleeping bag. All of these uses at no extra cost makes it one of the best sleeping bag liners.

With most sleeping bags, fleece liners can turn into a real bed experience which is perfect to mimic a night’s sleep at home. There is also a clever ZipPlow system that helps to prevent snagging while you are zipping.

This is an easy product to pack away with its convenient stuff sack but somewhat of a heavy liner when compared to another sleeping bag liner.

  • Very soft and warm
  • Can be used by itself
  • Good value
  • Comes in a variety of colors
  • Versatile
  • Not the smallest or most lightweight product
  • Not the warmest when used alone
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Outdoor Vitals Sleeping Bag Liner

  • Micro polyester fabric
  • An ultralight sleeping bag liner (8 oz bodyweight)
  • Fast drying
  • 80”x 32”
  • Comes with a useful carry sack

This bag liner by Outdoor Vitals is thin, lightweight, and really easy to travel with. This is a great product if you want to add that extra protection to your sleeping bag, or if you are concerned about the hygiene standards of your bed and want a clean bag.

The brand behind this awesome liner, Outdoor Vitals, is all about “living ultralight”. The micro polyester fabric used is incredibly easy to carry around and travel with. This synthetic fabric is also a smart choice for a sleeping bag liner, as it is decently weatherproof while camping. It dries very quickly and has moisture wicking properties to keep your sleeping bag clean, unlike cotton liners.

Compared to most liners here, this may not be the warmest one out there (although it does add a good extra layer of insulation). However, it is super lightweight, durable, and practical to use while camping.

  • Great value for money
  • Super lightweight
  • Feels like sheet bedding
  • Durable and fairly weather-resistant
  • Not the warmest sleeping bag liner
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The Friendly Swede Sleeping Bag Liner

  • Generous size (41” x 86”)
  • Includes a pillow pocket for pillow inserts
  • Durable, silk textured polyester
  • Side opening
  • Machine washable
  • Velcro or zipper closure

The Friendly Swede sleeping bag liner is an absolutely brilliant choice for comfort and ease of use! If you are after silk sleeping bag liners, then this should be high up on the list. Unlike other silk liners, the material is polyester – but it is made with a complete silky finish for a level of luxury.

This product ticks all the right boxes for a sleeping bag liner. It’s comfortable against the skin, and it manages to warm up your night’s sleep. It is very lightweight and easy to pack up and carry. The liner is also roomy and perfect for camping use so still stacks up against other silk liners.

This sleeping bag liner, with a pillow insert pocket, can easily attach to your backpack for convenience. If you want to keep your bag clean, simply throw it in the washing machine as it is machine washable safe. Overall this is one of the best options out there due to its many perks and practical features.

  • Soft and silky smooth
  • Machine washable
  • Easy to travel with
  • Great value for money
  • Offers plenty of space
  • Includes a lifetime warranty
  • Not the most durable if used alone
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Volcano Mountain Sleeping Bag Liner

  • Packs into a lightweight and portable stuff sack
  • Fully unzips into a blanket
  • Includes an XL pillowcase
  • 100% pongee polyester

This is a smart camping accessory for any adventure. The Volcano Mountain sleeping bag liner offers warmth, comfort, and ease of use in a rectangular shape. This is a great product to use if you would like to add an extra layer to any sleeping environment – from a sleeping pad, to a sleeping bag or your best friend’s couch.

The liner is made using polyester and is soft and silky to the touch. It also adds a pretty impressive amount of added warmth in cold weather. While it gives a whole new layer of warmth, the liner is also impressively lightweight and easy to travel with. The stuff sack is a great solution for on the go packing.

Being able to fully unzip this sleeping bag liner and lay it out flat is also a very handy feature. Among the best sleeping bag liners available, you’ll have a luxurious sleeping experience.

  • Easy to pack up
  • Portable and lightweight
  • Unzips into a blanket
  • Soft and silky
  • Includes a pillowcase
  • The zippers can get stuck pretty easily
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Osage River Microfiber Fleece Sleeping Bag Liner

  • Opens up to 6 feet
  • Pack down to 6 inches
  • A full fleece liner
  • Includes an accessory bag

If you are after a fleece liner, then be sure to check this accessory out by Osage River. This product is made using microfiber fleece – allowing for a completely soft and cozy experience.

Not only is this fantastic to sleep against, but it also adds a great amount of additional warmth. While this liner is usually used with a sleeping bag, it can also be used alone in warmer temperatures.

The liner also unzips completely to form a warm fleece blanket – perfect while you are camping or for use at home! It may seem like a heavy liner but, this is still a very portable liner. Once folded up, it weighs only a pound and fits into a convenient 6-inch pack.

If you want to turn your regular camping experience into one that is much warmer and more inviting, then be sure to check this fleece liner out. A contender among the best fleece sleeping bag liners for sure.

  • Versatile – can be used at home or camping
  • Convenient for travel
  • Soft and warm
  • Unzips into a blanket
  • Not the smallest sleeping bag liner
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Cocoon Silk Mummy Liner

  • Made using ripstop silk
  • A mummy shaped sleeping bag liner
  • Available in a range of colors
  • Responds well to changing temperatures

This mummy liner offers a completely luxurious experience. A night’s sleep with this camping accessory will make you feel like you are staying in a grand hotel. The mummy liner is woven using ripstop silk – a soft and durable material. This is extremely comfortable against the skin and can be used in many different environments.

Being made from silk, the liner is obviously incredibly lightweight. It packs up into a highly convenient size for traveling or hiking. While this silk liner is thin, it still offers great temperature regulation and thermal efficiency. It can add warmth during cold weather, and it helps to remain cool and wick moisture away in warm weather, keeping your sleeping bag clean.

If you are looking for a silk liner sleeping bag that will make your camping experience a whole lot more opulent, then this is a great pick. The mummy shape also makes this a cozy liner for all kinds of conditions.

  • Made with quality silk
  • Durable
  • Lightweight and easy to pack away
  • Great temperature regulation
  • A more expensive sleeping bag liner
  • Does not have a zipper opening 
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Sleeping Bag Liner Buying Guide

These camping accessories may be fairly simple, but the different products vary in a big way! Here are some important things to consider before finding the right sleeping bag liner. 

Do You Need A Sleeping Bag Liner? - Review & Guide


Shape and Size

Sleeping bag liners come in a variety of shapes and sizes. These will make a big difference in your experience with them. There are two shapes to choose from: mummy shape or rectangular liners. Both have their pros and cons – but be sure to choose the same shaped liner as the sleeping bag that you use.

Also, check out the size. Some people prefer a snug fit, while others want more room to kick around in. This is also important to remember when pairing up to your sleeping bag.


The top sleeping bag liners are available in all kinds of different materials. You can choose between a silky finish, a fleece liner, or even a cotton sleeping bag liner. Some products are fairly weatherproof (perfect for hiking and camping), while others offer a more soft and luxurious experience with moisture wicking properties.


When you go camping, there is often so much equipment involved. When adding a liner to your load, you won’t want it to weigh you down. Most sleeping bag liners are specially designed to be lightweight and easily portable.

If you are planning a hiking trip or going backpacking, then try to get the most travel-friendly option. Have a look at the liner reviews to find out how easy it is to pack away, and whether it can be attached to your backpack.


If you are camping out in all kinds of different areas, you will definitely want your equipment to be tough. Look at the materials used and make a note of whether these have double stitching and will be durable enough when exposed.

Some sleeping bag liners are very soft and comfortable, but are not particularly hardy when used alone or unprotected.

Final Thoughts

With a sleeping bag liner, you can easily take your sleeping experience to the next level! These simple camping hack accessories are such a great way to improve your night’s sleep in terms of warmth, comfort, and hygiene.

Whether you are after a soft silk finish, a warm fleece blanket, or a thermal mummy bag, there is a liner out there that can do it! We hope that this guide to the best sleeping bag liners helps you to find the right product for you – as these absolutely should become essential accessories for any camper!

Looking for more amazing camping gear? Check out these awesome inflatable tents.