Sleeping Bag Liners

The OMM Ltd Core Liner is crafted to enhance the warmth of your sleeping bag and can also serve as a blanket when you reach camp. It features the most effective synthetic insulation, providing maximum warmth with minimal weight. Its design is both warmer and lighter—less than half the weight of a typical fleece—and delivers down-like performance when dry, while still performing well when wet.

The Sea to Summit Reactor Extreme is their warmest knitted sleeping bag liner, perfect for cold climates. It provides added warmth when used with a sleeping bag and can also be used alone in warmer weather. The mummy shape, Thermolite® Pro fabric, and drawcord ensure comfort and warmth. Using new infrared technology, it reflects body heat back to you, while stretch fabric enhances insulation for versatile use in varying temperatures. The Reactor Extreme offers exceptional heat retention, ideal for cold conditions.

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 Snugpak TS1 Bag Liner instantly adds an extra layer of warmth to your sleeping bag. Made with warm to the touch thermal suede, this liner provides a noticeable thermal improvement to the bag and has an incredibly soft finish, for a little extra luxury. The clever construction of the fabric then ensures that any moisture will be moved away from the body and into the wicking core of the knitted fabric.

The Rab Silk Ascent Sleeping Bag Liner allows you to add extra warmth, comfort and protection to your sleeping system, without adding too much bulk or weight. This bag liner comes in a mummy shaped cut and is a valuable camping investment, thanks to its comfortable 100% silk construction it has a low carry weight and easy packability. The Silk Ascent weighs in at just 120g and comes with its own pocket-sized stuff sack for ease of carrying.

The Lifeventure Silk Ultimate Sleeping Bag Liner offers the maximum in comfort, breathability and weight saving. Made from 100% silk, this liner can be used on in combination with a sleeping bag. It includes an integral pillow sleeve and contact germ guard, it is also treated with Polygiene odour control technology to keep it fresher for longer. Includes a hidden passport pocket to store valuables for peace of mind whilst you sleep.

The Sea to Summit Thermolite Reactor Extreme increases sleeping bag performance by up to 15°C with its super insulating 110g/m² Thermolite® fabric. The spacious design is slightly tapered from head to foot to reduce weight and increase thermal efficiency, and the drawcord hood can be cinched down for extra warmth when required. This knit fabric also has serious stretch to it, making the Reactor Extreme the ideal liner for the restless sleeper.

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 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 Snugpak Fleece Insulating Liner is a lush fleece liner to add warmth and comfort to your sleeping bag on colder nights. Comes with a stuff sack so it doesn't take up too much space when not in use.

When you need extra warmth at night, you can use the Fleece Insulating Liner with Zip, and it will instantly add over a season to your sleeping bag. The lush fleece creates comfort, luxury and warmth for occasional colder nights, without needing to buy a warmer sleeping bag. The Fleece Liner comes complete with a compression sack to save space when not in use.

Rab's Silk Neutrino Sleeping Bag Liner is a great way to upgrade your sleep system. Weighing in at just 90g, this sleeping bag liner is constructed from premium luxurious silk which adds warmth, comfort and protection to your sleep system with negligible impact on carry weight.

The Rab Thermic Neutrino Sleeping Bag Liner will add extra overnight warmth to your sleep system. Built from 130g polyester microfleece, this sleeping bag liner from Rab is a valuable cold weather camping accessory.