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Best Sleeping Bag Liner for Extra Heat

  1. The Friendly Swede Sleeping Bag Liner
  2. Well Traveled Sleeping Bag Liner
  3. Sea to Summit Thermolite Reactor Sleeping Bag Liner Series
  4. Coleman Stratus Adult Fleece Sleeping Bag Liner
  5. Tough Outdoors Sleeping Bag Liner
  6. Vumos Sleeping Bag Liner
  7. Buyer's Guide

If your sleeping bag cannot provide you with the warmth and comfort you need, you don't need to buy a new one just yet. You can probably add extra protection and comfort by purchasing a sleeping bag liner instead. In this article, you will discover some of the best sleeping bag liners in 2022, and learn about the characteristics that make them excellent choices. These options are very portable and light, so you can slip it in your sleeping bag case unnoticed. Keep on reading to learn more.

Best Sleeping Bag Liners Worth Considering in 2022

The Friendly Swede Sleeping Bag Liner - Best Sleeping Bag Liners Overall

This sleeping bag liner is a large option, perfect for any size sleeping bag. It also comes with a pillow pocket, and it is ultra-lightweight and backpack friendly. You can also use this liner for your home mattress. The silky texture feels soft and cozy against your skin contributing to a night of better sleep. It is made out of durable and machine-washable polyester that also transports and repels sweat and bad odor. Adding a liner to your camping bed also keeps it clean and protects it from wear.

  • Soft and silky texture
  • Portable
  • Too big for small sleeping bags

Well Traveled Sleeping Bag Liner - Runner Up

Here is another lightweight yet extremely comfortable sleeping bag liner to take on your next outdoor trip. When tucked into its bag, the Well Traveled Sleeping Bag Liner measures about 9 inches long and 3 inches wide, making it easy to carry around. It features a silky soft pongee polyester construction that keeps you warm during winters and comfortable during summers.

  • Soft and comfortable
  • Lightweight and portable
  • Not suitable for people taller than 6 feet

This machine washable liner incorporates a pillow pocket into its design ensuring your pillow does not slide off from under your head. It is extremely lightweight and comes with a stuff sack that makes it easy to carry around. Plus, you can also use the sack to store your personal stuff for the night.

Sea to Summit Thermolite Reactor Sleeping Bag Liner Series - Honorable Mention

This sleeping bag liner is made out of Thermolite, which adds additional warmth and comfort when sleeping outdoors. It is a mummy-shaped option that can even replace your sleeping bag. It packs into its own carrying case for travel, and it adds a significant amount of warmth to any sleeping bag thanks to its warm insulated materials. Overall, it is an excellent option that works well with small to medium sleeping bags.

  • Warm
  • Insulated materials
  • It is only available in one color

Coleman Stratus Adult Fleece Sleeping Bag Liner - Contender

This sleeping bag liner option is a versatile choice. It not only provides warmth, it also happens to provide a good amount of comfort that will get you through the night and wake up full of energy. It can be used for low temperatures, and it adds up to 12-degrees Fahrenheit of extra thermal protection when partnered with a sleeping bag. it is built to use with large sleeping bags, but it can work for smaller ones. The zipper system works great in preventing snagging when zipping.

  • Maximum comfort
  • Comes with a storage strap
  • Too bulky

Tough Outdoors Sleeping Bag Liner - Contender

This option makes an excellent travel companion. It is lightweight and portable enough to fit any backpack. It is a suitable size for big and tall individuals, but it is perfectly suitable for smaller sizes as well. This sleeping bag liner emulates the coziness of home, which makes it a great addition for your travel and outdoor accessories. It not only adds warmth, but it also protects your sleeping bag from sweat, bad odor, or dirt.

  • Thin
  • Lightweight
  • Seam quite high

Vumos Sleeping Bag Liner - Consider

This sleeping bag liner option comes in a good size which makes it suitable for almost any sleeping bag. It is portable and light, making it easier to carry inside your luggage or backpack. it is a good travel buddy, and you do not want to leave without it. It is made with 100% polyester to ensure durability and silky smooth feel on the skin. The liner comes with a portable and convenient carrying sack for easy transport.

  • Comfortable
  • Portable
  • Not as warm as the others

Buyer's Guide

If you are an avid camper, you will probably own a great sleeping bag that will withstand cold weather. However, if you are only just starting your camping journey, you may not have the right gear to match your camping aspirations. For example, a sleeping bag that is suitable for the summer may not be suitable for spring or fall. If you have a camping trip coming up and cannot afford a new weather-appropriate sleeping bag, a sleeping bag liner could be a good option for you.

Sleeping bag liners add an extra layer to your sleeping bag, making them warmer and more comfortable. This is a great item to buy before eventually upgrading to a warmer sleeping bag.

Although every sleeping bag liner fundamentally works similarly, some are more effective than others and have various added features you may appreciate. To help you find the best sleeping bag liner most suited to your needs, we have compiled a list of features you may wish to consider before making your decision.

Want to know more? Check out the rest of our article below.

Why use a sleeping bag liner?

There are several reasons you may wish to use or benefit from using a sleeping bag liner.

Less cleaning

Mummy shaped bag liners help backpackers keep their sleeping bags free of body oils and dirt. Sleeping bag liners keep your sleeping bag cleaner between washes. Sleeping bag liners are much easier to clean and dry much faster than a sleeping bag.

Extra warmth

As previously mentioned, a bag liner provides extra warmth from 5 degrees to 15 degrees to your sleeping bag. The sleeping bag liner’s warmth varies depending on the liner material. You can use a bag liner by itself in hot climates and forgo the sleeping bag altogether.

Staying in hostels and hotels

When staying in a hostel or hotel where you are not sure of the cleanliness, a sleeping bag liner can give you a barrier between yourself and the sheets. It is possible to catch bed bugs, crabs, HPV, and even chlamydia from dirty bedsheets. A rectangular sleeping bag liner is often a requirement in numerous hostels. In budget hotels, where the standards of cleanliness aren’t as strict as high-end hotels, a sleeping bag liner is a popular item to use.

Things to consider when buying a sleeping bag liner

There are many sleeping bag liners on the market. To narrow down your search and make looking for your most compatible sleeping bag liner easier, we have provided a handy list of considerations, This will save you time and money, purely because you will not pay extra for impressive-sounding (but entirely unnecessary) additional features and you’ll know exactly what you want before you make a purchase.


You can get a sleeping bag liner for single sleeping bags or double sleeping bags. Other sizes may be available.


Sleeping bag liners come in two shapes: mummy shapes to fit inside your sleeping bag or rectangular liners for solo use or in a sleeping bag. If you’re planning on using a sleeping bag in hotels or hostels, a rectangular liner would be best for this purpose.

Types of sleeping bag liners

Fleece and microfleece bag liners are heavy and warm; they can add up to 12 degrees of heat. They are also soft. The material pulls sweat away from the body during sleep and is fast drying. Fleece and microfleece sleeping bag liners can be bulky but will keep you nice and warm.

Silk sleeping bag liners are very lightweight (about 5 oz.) and easy to compact. In cold weather, silk helps insulate, but in warm weather, it is absorbent and breathable. Silk is also better for acne-prone skin.

Cotton sleeping bag liners are durable, absorbent, and firm but not the most compact or the lightest.

Synthetic sleeping bag liners are breathable and moisture-wicking. For this reason, synthetic sleeping bags are perfect for humid conditions. They also offer some stretch which is helpful for people who move around in their sleep.

Insulated sleeping bag liners can create up to 25 degrees of warmth. It dries 50% faster than cotton due to its hollow-core fiber insulation.

Built-in bug protection

Some sleeping bag liners come with built-in bug protection. The bug protection will usually wash out after a certain amount of washes. Look for sleeping bag liners with insect shield features.


To keep your belongings secure during a night of staying in a hostel or even in your tent, you should consider buying a sleeping bag liner with pockets. You are less likely to be robbed if your valuables are close to your person.


The ideal sleeping bag liner will weigh as little as possible while being as warm as possible. Unfortunately, you will always need to sacrifice weight for warmth or warmth for weight. The sleeping bag liners that are both the lightest and the warmest are also the most expensive, so you will need to choose which feature you value the most.


A sleeping bag liner should be able to fold away into the smallest bag possible. You don’t want it to take up much space in your suitcase or your backpack.

Sleeping bag liner price range

Sleeping bag liners can range in price from $9 to $110. However, just because a sleeping bag liner is expensive doesn’t mean it offers superior quality to medium-quality products—budget between $25 and $55 for a good-value-for-money and good-quality sleeping bag liner.


How do I wash my sleeping bag liner?

To wash your sleeping bag liner, soak it in water with detergent briefly. After it has soaked, hand wash it, ring it out and rinse with warm water.

What are some of the best sleeping liner brands?

There are many sleeping bag liner brands available. These include Montbell, Cocoon, Rab, Western Mountaineering, Sea to Summit, and Thermarest. Many more sleeping liner brands are available, and you can find them with a quick Google search.

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