Lifeventure Cotton Ultimate Sleeping Bag Liner

The Lifeventure Silk Sleeping Bag Liner has the ability to keep you warm when it's cold, and cool when it's warm, this makes it a great addition to your camping or travelling kit. The silk bag liner can be used alone or with a sleeping bag, it has a small pack size, ideal for those looking for luxury on a budget. There's also a hidden security pocket inside to keep any small valuables safe and the liner is treated with antibacterial and mosquito/bed bug resistant technology.

The Lifeventure Cotton Sleeping Bag Liner with Pillow Sleeve has been made using 100% cotton that's been treated with Polygiene odour control technology. This treatment is integrated into the fibres of the liner, helping to prevent the build-up of odour causing bacteria and in turn staying fresher for longer. The liner itself is super soft and breathable, with an integrated pillow sleeve and germ guard. It comes supplied with a ripstop carry-case that can be easily stowed away and protected from the elements.

The Sea to Summit Reactor Liner is an ultra-lightweight sleeping bag liner that uses Thermolite Pro fabric and infrared technology paired with comfortable stretch fabric to provide extra warmth and insulation. It features a mummy shape and a draw cord for added flexibility and premium comfort. This liner is best suited to use in cold conditions.

The Sea to Summit Reactor Midweight Liner is a versatile thermal sleeping bag liner designed to add warmth, comfort, and hygiene to your sleep system. Made with stretch-knit Thermolite® Pro fabric and Far Infrared (FIR) technology, it helps trap and reflect body heat, adding up to 6°C of extra warmth without excess bulk. Integrated armholes and stretch construction allow unrestricted movement throughout the night, while HeiQ Fresh odour control keeps the liner fresher on extended trips. Lightweight and quick-drying, it’s ideal for backpacking, camping, bikepacking, and travel.

The Lifeventure Cotton Sleeping Bag Liner is a soft, breathable liner made from 100% cotton for added comfort and improved sleeping bag hygiene. Designed for travel and camping, it can be used on its own in warm climates or layered inside a sleeping bag for extra comfort. An integrated pillow sleeve, Contact Germ Guard, and Polygiene® odour control technology help keep the liner fresher for longer. Lightweight and compact, it packs neatly into the included ripstop carry case.

The Lifeventure Coolmax Sleeping Bag Liner is a lightweight and breathable liner designed for warm-weather camping, travel, and hostel stays. Made from soft and stretchy Coolmax fabric, it helps regulate body temperature while allowing comfortable movement throughout the night. An integrated pillow sleeve and Polygiene® odour control technology improve comfort and freshness on extended trips. Compact and versatile, it can be used on its own or inside a sleeping bag and packs neatly into the included ripstop carry case.

If you find sleeping bag liners restrictive this could be for you. Designed with extra comfort and freedom of movement in mind the Cotton Ultimate Sleeping Bag Liner is made from soft, breathable 100% cotton with added stretch side panels. These panels allow you to move naturally as you sleep, making it ideal for restless sleepers or extended trips.