Sleeping Bag Liners

A sleeping bag liner is a great way to add a layer of warmth to your sleeping bag, as well as protect it from dirt and spills. We understand how important it is to stay comfortable, dry and warm when sleeping outdoors, which is why at Cotswold Outdoor you'll find a wide range of comfortable lightweight sleeping bag liners and silk sleeping bag liners. 

 

Our selection of silk sleeping bag liners add a little something extra to your outdoor kit – All from top brands including Rab. Because all of our liners are easy to pack away in a bag, they won't take up much space in your backpack, and they'll keep your sleeping bag cleaner for longer. Using innovative Thermolite technologies, we sell thermal liners that wick away perspiration for extra comfort. Browse our selection today to find the perfect sleeping bag liner for your needs.
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A sleeping bag liner is a lightweight fabric insert that sits inside your sleeping bag. It adds warmth, improves hygiene by keeping your sleeping bag clean, and extends its lifespan. Liners are also versatile, doubling as standalone sheets in warm weather or for use in hostels.

Silk liners are lightweight and breathable, ideal for warm weather. Cotton liners are affordable and durable but heavier. Fleece or Thermolite liners provide extra warmth for cold conditions, while synthetic options like CoolMax wick moisture and dry quickly.

Depending on the material, a liner can add 5–15°C of warmth to your sleeping bag. Thermolite and fleece liners offer the most insulation, making them suitable for colder climates.

Yes, sleeping bag liners can be used alone in warm weather as lightweight sleeping bags. Silk or synthetic liners are particularly effective for this purpose due to their breathability and comfort.

Yes, sleeping bag liners are machine washable and dry quickly, making them much easier to clean than a full sleeping bag. Regular washing keeps them fresh and hygienic.

Choose a liner that matches the dimensions of your sleeping bag. Most liners are designed to fit standard sizes, but check product specifications to ensure compatibility with your gear.

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