Sea to Summit Reactor Lightweight Regular Sleeping Bag Liner

The Sea to Summit Reactor Lightweight Regular Liner is built to boost warmth without loading up your pack! It adds up to 4°C of extra warmth with minimal bulk, making it a ripper choice for ultralight adventures and streamlined sleep setups!

Lightweight Warmth

Thermolite® Pro fabric brings serious performance to your sleep system with hollow-core fibres and infrared-absorbing ceramic pigments that help trap body heat! You get extra warmth where it counts without the bulk slowing you down on the trail!

Freedom to Move

Stretch-knit fabric and shaped arm openings give you the freedom to roll, shift and settle in naturally through the night! It’s made for comfort that moves with you, so you’re not fighting your liner when it’s time to get some kip!

Technical Shape and Hood

The ergonomic design and fitted hood help dial in warmth and comfort without piling on extra weight! It’s a smart, technical shape that keeps things cosy while still feeling light and easy to pack!

Sleeping Bag Compatibility

Thanks to its stretchy fabric, this liner fits any shape of sleeping bag for easy use across your camping kit! Snap connectors at the shoulders also pair with Sea to Summit sleeping bags for quick, hassle-free entry and exit!

Freshness and Easy Care

HeiQ Fresh odour control helps keep the liner fresher after extended use, which is beauty news when you’re clocking up a few nights outdoors! It’s also quick-drying and machine washable, helping reduce washing on your sleeping bag over time!

Material Construction

Built with Thermolite® Pro fabric using hollow-core fibres and infrared-absorbing pigments, this liner is engineered for lightweight insulation and performance! It’s a clever material setup that keeps warmth in while staying compact in your pack!

BCF’s got you covered nationwide with a huge network of stores and convenient Click & Collect or home delivery options.