Best Sleeping Bag Liner – With Comparison Table (2019) - Mountain IQ

Best Sleeping Bag Liner – With Comparison Table (2019)

Best-Sleeping-Bag-Liner

This review discusses the best sleeping bag liners currently on the market. 

A sleeping bag liner is a must for every outdoor enthusiast. It adds a layer of protection and warmth to your sleeping bag or can be used independently on warm nights if it is too hot for a sleeping bag.

Liners function similarly to bed sheets and can also be used to keep your sleeping bag cleaner for longer as well as extend the life of your sleeping bag, because it won’t have to be cleaned as often.

You can also use your liner as a protective sheet if staying in a hostel where you don’t necessarily want to sleep directly on the bed.

Below is a list of the top 5 sleeping bag liners so you can choose which liner is best for you.

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Best Sleeping Bag Liner

Sea to Summit Adapter Coolmax

This sleeping bag liner will keep you cool, dry and free from pesky insects.The 100% polyester Coolmax material provides natural stretch, dries quickly and wicks moisture. However, if you are looking to venture into very cold climates, this won’t be the liner for you.
Available at:

Top 5 Sleeping Bag Liners - Comparison Table

Take a look at the comparison table below before moving on, it might help you make a quick decision based on the most important specs.

Gear

Rating

Material

Shape

#1

Sea to Summit Adapter Coolmax

Best for Warm and Humid Environments

Coolmax Polyester

Mummy Style

#2

Cocoon Silk Mummy

Best Silk

Silk

Mummy Style

#3

Sea to Summit Thermolite Reactor

Best for Cold Weather

Thermolite

Mummy Style

#4

ALPS Mountaineering Microfiber Mummy

Best Protection

Microfiber

Mummy Style

#5

The Friendly Swede

Best Budget

Polyester

Rectangular Style

1. Best Liner for Warm and Humid Environments

​Sea to Summit Adapter Coolmax

5/5 Overall Rating

If you are looking for a sleeping bag liner that will suit you well in warm and humid conditions, then look no further than the Sea to Summit Adapter Coolmax sleeping bag liner. The 100% polyester Coolmax material provides natural stretch, dries quickly and wicks moisture.

The sleeping bag liner also includes a layer of odourless insect repellent that will last for about 25 washes.

This sleeping bag liner will keep you cool and protect you from the insects that are inevitably a part of humid climates.

The Sea to Summit Adapter Coolmax is a mummy style liner and is machine washable. It also includes a stuff sack for easy carrying and storage.

Available at:
Main Features
  • Coolmax polyester provides for moisture wicking
  • Pillow Insert
  • Odourless insect repellent
  • Included stuff sack
  • Machine-washable
  • Mummy Style: 84in in length; 36in in width and weighs 8.6oz
What we like
  • Repels insects 
  • Durable
  • Breathable
What we dislike
  • No zipper
Key Takeway

This sleeping bag liner will keep you cool, dry and free from pesky insects. However, if you are looking to venture into cooler climates, this won’t be the liner for you. You will need a sleeping bag liner which aims to keep you warm, which this one does not.

2. Best Silk Liner

Cocoon Silk Mummy

4.5/5 Overall Rating

Silk sleeping bag liners tend to be a little pricier, but they are most definitely worth the price tag. They are incredibly lightweight, pack away very small and feel unbelievable against your skin.

If you are interested in splurging on a silk sleeping bag liner, the Cocoon Silk Mummy Liner is a fantastic option for you.

The sleeping bag liner provides hotel quality comfort and dries quickly. The sleeping bag liner will keep you cool in the summer and adds a good amount of warmth in the winter.

The Cocoon Silk Mummy Liner obviously is a mummy style sleeping bag liner and is made from Ripstop silk, which uses a grid-like weave to resist tears and increase longevity.

The Cocoon Silk Mummy Liner can either be washed by hand or in the machine and comes in a wonderful range of colors and patterns.

Available at:
Main Features
  • Made from 100% Ripstop silk
  • Mummy style and weighs 4.7 ounces
  • Adds up to 5 degrees
  • Fahrenheit of warmth
What we like
  • Lightweight
  • Durable
  • Incredibly comfortable
  • Zip-free – keeps weight to an absolute minimum
What we dislike
  • Pricey
Key Takeaway

The Cocoon Silk Mummy Liner is on the expensive side, but it is certainly worth the price tag. The silk feels spectacular against your skin and will help keep you cool in summer and warm in winter. If you are willing to spend a little extra, you cannot go wrong with this lovely sleeping bag liner.

3. Best Liner for Cold Weather

Sea to Summit Thermolite Reactor

4.5/5 Overall Rating

If you’re looking for a sleeping bag liner to add a little extra warmth to your sleeping bag the Sea to Summit Thermolite Reactor Liner is the obvious choice.

This sleeping bag liner adds up to 25 degrees Fahrenheit, making sure you’ll be kept warm and cozy in cold weather.

The warmth of this sleeping bag is thanks to the dense 110/m2 construction throughout, the hollow-fiber threads trap heat effectively. This is a mummy style sleeping bag liner with a foot box, so you won’t feel too constricted.

The sleeping bag liner also comes with a cord hood which is guarded with a mini cord which adds further to its functionality. 

Available at:
Main Features
  • Adds up to 25F
  • Dense 110/m2 Thermolite Construction (Synthetic)
  • Stretchable ends and overall area
  • Mummy style, ultra slim stuff sack
  • Draw cord hood with mini cord lock
  • Weighs 14 oz, 84in in length and 34in width
What we like
  • Warm – ideal for colder regions
  • Compact & Lightweight 
  • Stuff sack included
What we dislike
  • You need a warmer sleeping bag in order to utilise the warmth of this sleeping bag to its full potential
Key Takeaway

The Sea to Summit Reactor Extreme Thermolite Liner is a fantastic liner for the winter months, although not as luxurious as a silk liner, it is comfortable and warm. This sleeping bag liner is not ideal for the summer months as its main purpose is to keep you warm.

4. Best Liner for Protection

ALPS Mountaineering Microfiber Mummy

4/5 Overall Rating

Although a little on the bulkier side, the ALPS Mountaineering Microfiber Mummy sleeping bag liner promises to protect both you and your sleeping bag at a very attractive price point.

The sleeping bag liner is made out of soft, durable brushed polyester material to keep you warm and protected. The liner also features two draw strings at the hood and a Velcro opening to assist you in getting in and out.

This sleeping bag liner provides a great deal of insulation and moisture protection as well as being easy to clean.

Available at:
Main Features
  • Easy to clean
  • Stuff sack included
  • Velcro strap
  • Double drawstrings at the hood
  • Microfiber
  • Mummy shape: 86in in length, 32in in width and weighs 11oz
What we like
  • Protects against dirt and insects
  • Comfortable
  • Affordable
What we dislike
  • May not be too comfortable for restless sleepers
  • On a heavier side
Key Takeaway

This sleeping bag liner promises to provide you with everything you’d need in a liner, although it is quite heavy as far as sleeping bag liners go. It is comfortable, affordable and will keep you and your sleeping bag protected.

5. Best Budget Liner

The Friendly Swede

3.5/5 Overall Rating

If you are looking for a durable, lightweight and budget friendly sleeping bag liner to take on your next trip, The Friendly Swede is the perfect sleeping bag liner for you.

The polyester fabric is soft and tear-resistant and will help keep you a little warmer on those chilly autumn evenings. This liner is perfect if you’re looking to keep both you and your sleeping bag clean, or if you’re just looking for a little protection when staying in a hostel with no linen.

The Friendly swede is 86in in length and 41in in width, making it incredibly roomy to ensure a comfortable night’s sleep.

The sleeping bag liner also includes a Velcro closure to make it easier for you to climb in and out.
Available at:
Main Features
  • Includes a pillow pocket
  • Silk texture
  • Velcro closure and side opening
  • Machine-washable
  • Lifetime warranty
  • Rectangular style: 86in in length, 41in in width; weighs 6.4oz
What we like
  • Generous size, extra space
  • Velcro closure
  • Lightweight
  • Cheap
What we dislike
  • Synthetic fiber is not as comfortable as silk
  • Not very warm
Key Takeaway

The Friendly Swede is great for hiker/travellers on a budget. It provides everything you would look for in a sleeping bag liner. However, if you are expecting to be in a cooler climate, this sleeping bag liner may not provide enough warmth.

Sleeping Bag Liner - Buyer's Guide (Key Features)

There are a few things you will need to consider when purchasing a sleeping bag liner, below is a buyer’s guide which will ensure you make the best choice.

Material

Sleeping bag liners are usually made of silk, synthetics, cotton or fleece. Some are even insulated. However, cotton and insulated sleeping bag liners tend to have a few downsides, so try to avoid these materials.

Silk is a great material for a sleeping bag liner, it is super lightweight and feels wonderful against your skin. Silk liners also pack very small and dry incredibly fast. Silk is antimicrobial and can be knit into very thin fabrics.

Synthetic materials are also lightweight, and they pack small and dry fast. However, they may feel pleasant to the touch and are not naturally antimicrobial.

Shape

Sleeping bag liners come in two shapes; rectangular and mummy. The mummy shape is best if you are planning to primarily use the liner with a sleeping bag as it will fit well into the sleeping bag.

Size

Sleeping bag liners come in a variety of lengths and widths, so you can choose the sleeping bag liner that fits your body best.

Use

You also need to consider what time of year you want to use your sleeping bag liner. If you are looking for one that is suitable for the spring and summer months; you need a liner that is lightweight and breathable and if you want a little extra warmth you want a sleeping bag liner that will give you the maximum increase in temperature.

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