Best Sleeping Bag Liners of 2019


Alps Mountaineering Mummy Liner

Alps Mountaineering Mummy Liner

A sleeping bag liner is a thin and lightweight cloth sack designed to be slipped inside a sleeping bag. It keeps your sleeping bag clean and free of body oils and thus increases its thermal efficiency. Note that body oils decrease the loft and warmth of a sleeping bag. It can also be used without a sleeping bag – for example for sleeping in mountain huts which typically provide blankets but not bed linen, or when travelling and sleeping in hostels of questionable cleanliness (bedbugs). Those who use a quilt (a super lightweight zipperless sleeping bag which leaves your back in direct contact with the sleeping pad) often pair it with a sleeping bag liner because the liner increases the comfort of this minimalistic sleeping setup. Another benefit is that it allows you to wash your sleeping bag less frequently which increases its lifespan and decreases the degradation of sleeping bag’s insulation. In very warm weather, when you have your sleeping bag partially unzipped, the liner also protects you against bugs and mosquitoes.

A sleeping bag liner can also add warmth to your sleeping bag, depending on its material. However, as it must be thin to fit into a sleeping bag, it is limited how much warmth it can add. Sleeping bag liners made of fleece are for example thermally inefficient (very heavy for the added warmth) and thus it’s better to instead wear a fleece jacket and pants during the night. The same goes for those with synthetic insulation – you’ll be better off sleeping in insulated pants and an insulated jacket.

Due to the reasons mentioned above, we only listed silk and synthetic liners in this selection. These provide very little warmth, but they are super lightweight and pack very small. Furthermore, they are also breathable, quick-drying and moisture-wicking.

We regularly update our reviews and selections to always recommend you the best products on the market.

1. Buying a Sleeping Bag Liner  – What is important?

Material:

Sleeping bag liners are usually made of silk, synthetics (microfiber, polyester etc.), cotton or fleece. Some are insulated, meaning that the synthetic insulation is sandwiched between the nylon shell and the lining. Because cotton and insulated liners have multiple downsides, we didn’t list them in this selection. Read more about this in the Questions and Answers section at the bottom.

Silk sleeping bag liners are super lightweight, pleasant to the touch and pack very small. Silk also dries very fast and doesn’t feel clammy against the skin if it gets wet or moist. The material is also naturally antimicrobial and can be knit into very thin fabrics. Those made of synthetic materials are also lightweight, well-packable and quick-drying. However, they are less pleasant to the touch than those made of silk and not naturally antimicrobial.

Shape:

Sleeping bag liners are usually available in two different shapes – mummy and rectangular. If you are planning to primarily use the liner with a sleeping bag, you should go for mummy shape so that it will fit well into the sleeping bag.

Size:

Some sleeping bag liners are available in several sizes which differ by length and rarely in width. Choose the size according to your body height.

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2. The Best Sleeping Bag Liners Review

Best Sleeping Bag Liners

Best Sleeping Bag Liners

The Best Sleeping Bag Liners – List

  1. Cocoon Ripstop Silk Expedition Liner
  2. Rab Sleeping Bag Liner Mummy Silk
  3. Alps Mountaineering Mummy Liner – MicroFiber
  4. Sea to Summit Adaptor Coolmax Liner – Insect Shield
  5. Sea to Summit Premium Silk Travel Liner

Comparison

Feature/Product Cocoon Ripstop Silk Expedition Liner Rab Sleeping Bag Liner Mummy Silk Alps Mountaineering Mummy Liner - MicroFiberSea to Summit Adaptor Coolmax Liner - Insect Shield TSea to Summit Premium Silk Travel Liner
Weight3.9 oz. (S); 4.2 oz. (M); 4.6 oz. (L);4.5 oz.11 oz.8.7 oz.4.9 oz.
Weight (Metric)110 g (S); 120 g (M); 130 g (L);128 g311 g 248 g 140 g
MaterialSilk (Ripstop) SilkSynthetic (MicroFiber)Synthetic (Coolmax)Silk (Ripstop)
Length79 in. (S); 85 in. (M); 89 in. (L);89 in.86 in.83 in.82 in.
Length (Metric)200 cm (S); 215 cm (M); 225 cm (L);225 cm218 cm 210 cm 208 cm
Width31 in. (S); 33 in. (M); 35 in. (L);36 in.32 in.35 in.36 in.
Width (Metric)80 cm (S); 85 cm (M); 88 cm (L);92 cm 81 cm 90 cm 91 cm
Shape Mummy Mummy Mummy Mummy Mummy
Cocoon Ripstop Silk Expedition Liner

Cocoon Ripstop Silk Expedition Liner

1. Cocoon Ripstop Silk Expedition Liner

Suitable for:

  • Hiking
  • Mountaineering
  • Backpacking
  • Camping
  • Cycling
  • Travelling

 

The Cocoon Ripstop Silk Expedition is due to its durability and low weight very popular among mountaineers and hikers. It is made of silk which is reinforced with interwoven threads at regular intervals (ripstop) for better tear resistance. The material is well-packable, breathable, moisture-wicking and quick drying. The sleeping bag liner is available in three different sizes (S, M and L) for good fit. Cocoon claims that this product adds up to 5°C of extra warmth to the sleeping bag. However, it’s important to note that such ratings do not apply for everyone (some people get cold faster than others). The Cocoon Ripstop Silk Expedition also features a drawstring hood and comes with a waterproof stuff sack for easy packing (when packed it measures only 5 x 2.3 in. / 13 x 6 cm). It fits perfectly into technical (mummy) sleeping bags.

 

Pros:

  • Weight
  • Durability (for silk)
  • Well-packable
  • Comfortable
  • Hood with drawstring

Cons:

  • Price

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Rab Sleeping Bag Liner Mummy Silk 1

Rab Sleeping Bag Liner Mummy Silk 1

2. Rab Sleeping Bag Liner Mummy Silk

Suitable for:

  • Hiking
  • Mountaineering
  • Backpacking
  • Camping
  • Cycling
  • Travelling

 

The Rab Mummy Silk is like the Cocoon Ripstop Silk Expedition made of 100% silk and thus offers similar qualities. However, the Rab Mummy Silk comes only in one size. Nevertheless, as it measures 88 inches (225 centimeters) in length and 36 inches (92 centimeters) in width, it comfortably fits most people. The Rab Mummy Silk is also very light (it weighs merely 4.5 ounces / 128 grams) and well-packable. The liner comes with a stuff sack for easy storage and is designed for use with technical sleeping bags (mummy). Rab also offers a cotton version of this product which is much heavier (340 grams).

 

Pros:

  • Weight
  • Well-packable
  • Comfortable

Cons:

  • /

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Alps Mountaineering Mummy Liner

Alps Mountaineering Mummy Liner

3. Alps Mountaineering Mummy Liner – MicroFiber

Suitable for:

  • Hiking
  • Mountaineering
  • Backpacking
  • Camping
  • Cycling
  • Travelling

 

The Alps Mountaineering Mummy differs from the liners listed above by material. It is made of a synthetic material (MicroFiber) rather than silk. Therefore, it is heavier (11 ounces / 311 grams) but also much less expensive. Furthermore, it provides better warmth and durability. It is available only in one size and designed for use with a mummy sleeping bag. For easy storage the liner comes with a stuff sack. The Alps Mountaineering also offers a cotton version of this product.

 

Pros:

  • Durability
  • Well-packable
  • Price

Cons:

  • Weight

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Sea to Summit Adaptor Coolmax Liner

Sea to Summit Adaptor Coolmax Liner

4. Sea to Summit Adaptor Coolmax Liner – Insect Shield

Suitable for:

  • Hiking
  • Mountaineering
  • Backpacking
  • Camping
  • Cycling
  • Travelling

 

The Sea to Summit Adaptor Coolmax is like the Alps Mountaineering Mummy made of a synthetic material. It uses Invista’s Coolmax material which is known for being very moisture-wicking and quick-drying. The Coolmax material is also pleasant to the touch and very stretchy. Furthermore, the Sea to Summit Adaptor Coolmax also utilizes Insect Shield technology for maximum protection against bugs. It is designed to be used with a mummy sleeping bag and comes with a stuff sack.

 

Pros:

  • Durability
  • Material
  • Insect Shield technology
  • Price

Cons:

  • Weight

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Video

Sea to Summit Premium Silk Travel Liner

Sea to Summit Premium Silk Travel Liner

5. Sea to Summit Premium Silk Travel Liner

Suitable for:

  • Hiking
  • Mountaineering
  • Backpacking
  • Camping
  • Cycling
  • Travelling

 

The Sea to Summit Premium Silk Travel is super lightweight (it weighs merely 5 ounces / 140 grams) and provides good durability. It is made of 100% silk and utilizes the ripstop reinforcement technique. The product offers great comfort due to the qualities of silk (moisture-wicking, breathable etc.). Sea to Summit offers this product in several different versions; standard rectangular, long rectangular, traveler with pillow, double and mummy with hood. If you are planning to use it with a mummy sleeping bag you should go for the hooded mummy version.

 

Pros:

  • Weight
  • Durability (for silk)
  • Well-packable
  • Comfortable

Cons:

  • /

Share your opinion and help others!

Do you have this product? Tell us what you think about it and help others decide what to buy!

Where to buy?

Also available at:

Campsaver

 

 

3. The most attractive product in the review

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4. Questions and Answers

Why is a cotton sleeping bag liner not suitable for backpacking?

Cotton liners are not the best option for hiking/backpacking because cotton is much heavier than silk or synthetic materials. Furthermore, it also dries very slowly because it absorbs a lot of moisture.

Is a fleece sleeping bag liner good for backpacking?

Fleece liners are primarily designed to add warmth to sleeping bags. However, polyester fleece is not the most thermally efficient material and thus such sleeping bag liners are typically heavy and bulky. You will probably be better off wearing a fleece jacket and fleece pants during the night.

Is an insulated sleeping bag liner good for backpacking?

Insulated liners look like super thin sleeping bags and feature synthetic insulation such as PrimaLoft. They are more thermally efficient than those made of fleece but still heavy and bulky. Again, you will probably be better off wearing an insulated jacket and insulated pants during the night.

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Post Author

Post Author

Blaz

Outdoor enthusiast with experience in all types of hiking and mountaineering. Hiked in the Alps, Iceland and other countries. In love with via ferrata trails and snow-covered slopes. Check out my hikes.

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