Sleeping Bag Liners

Camping Type
Brands
Price
£
£
–
9 products
Camping Type
Brands
Price
£
£
Hide filters
9 products
Boost your sleeping bag's performance with liners that add warmth, protect fabric and improve hygiene on every trip. Thermal sleeping bag liners increase insulation by 5-15°C, depending on material, letting you use a lighter bag across more seasons or stay warmer in cold conditions. They also create a protective barrier that keeps your sleeping bag clean, reducing washing frequency and extending its life.

Synthetic liners made from Thermolite or CoolMax wick moisture away from your skin, keeping you dry through sweaty nights and drying quickly after washing. They pack down small for weight-conscious backpackers while breathing well in warm weather, and work as standalone sheets in hostels or hot climates when you don't need a full sleeping bag.

Fleece liners deliver maximum warmth addition for cold-weather camping, while cotton options provide affordable durability at slightly higher weight. All liners machine wash easily—far simpler than cleaning a full sleeping bag, maintaining freshness through regular laundering. Advanced fabrics resist bacterial growth and dry fast, ready for use again within hours.

Liners fit standard sleeping bag dimensions with mummy or rectangular shapes matching your bag's design. They slip in and out quickly, adding minimal time to camp setup. Lightweight construction means they barely register in your pack, yet deliver significant benefits to sleep quality and gear longevity. Shop our sleeping bag liners to add warmth and protection to your sleep system for your next outdoor adventure.

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.

Let us know you agree to cookies

We use marketing, analytical and functional cookies as well as similar technologies to give you the best experience. Third parties, including social media platforms, often place tracking cookies on our site to show you personalised adverts outside of our website.

 

We store your cookie preferences for two years and you can edit your preferences via ‘manage cookies’ or through the cookie policy at the bottom of every page. For more information, please see our cookie policy.