Add comfort to your mummy bag with this breathable, moisture-wicking COOLMAX® liner.

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This high-tech, rectangular sleep sack or sleeping bag liner is made of COOLMAX® polyester for fast-drying, breathable and easy-care comfort.

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Maintain the cleanliness of your sleeping bag with help from the Trekmates Cotton sleeping bag liner. This lightweight liner is made in a breathable cotton fabric.

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Slide the Mountainsmith Cotton Sleeping Bag liner into your mummy bag to increase warmth a few degrees without adding a ton of bulk or weight to your pack.

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An excellent choice for hostels and cabins, the Cocoon Egyptian Cotton MummyLiner helps keep your sleeping bag clean and extends its life span.

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The Cocoon Merino Wool Mummy Liner is made with very fine, non-scratchy wool for excellent comfort when you're traveling and camping out. You can slip it inside your sleeping bag or use it alone.

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Add a little extra warmth and softness to your sleeping bag with the Cocoon® Microfiber Mummy liner. Lightweight and efficient insulation adds comfort with minimal added weight.

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Keep your sleeping bag clean and extend its life span with the help of this Cocoon Organic Cotton MummyLiner. It's lightweight but still adds extra warmth to your camping kit.

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Use this lightweight liner on its own or inside your sleeping bag, depending on the season. The Trekmates Polycotton mummy bag liner is made in a durable, comfortable polyester/cotton fabric blend.

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This Sea To Summit Premium Blend Silk/Cotton Liner is a hostel-approved liner that's ideal for virtually any kind of travel, with or without your sleeping bag.

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Experience luxurious comfort wherever you roam. Built to extend the life of your sleeping bag or upgrade your travel sleeping situation, this Sea to Summit Premium Silk travel liner is an easy pick.

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Extend the life of your favorite sleeping bag or upgrade your travel sleeping situation with the help of this Sea to Summit Premium Silk travel liner, made from grade AA silk for luxurious comfort.

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Use the Cocoon Silk mummy liner on its own in warm climates or put it inside your sleeping bag to add some extra warmth on chilly winter nights.

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Combining 2 different weight fabrics, this Sea to Summit Thermolite Reactor Compact Plus sleeping bag liner adds 20°F of warmth and extends the life of your sleeping bag.

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