What do you do when you’ve purchased a high quality sleeping bag only to find that it doesn’t quite keep you warm enough on those colder nights? You get yourself a sleeping bag liner!

Sea to Summit have a wide range of sleeping bag liners that can increase the warmth of your sleeping bag by up to one season rating.

And what do you do when the temperature is just too hot to even use your sleeping bag? Well then go and get yourself a sleeping bag liner and use it as a standalone sleeping bag. The perfect solution!

Sea to Summit’s Thermolite Reactor Liner is the most popular choice of the range due to it’s warmth, size and weight. Increasing warmth by up to 8 degrees Celsius and weighing in at just 248g, this liner is ideal as part of a cold climate sleep system or as a standalone bag in warm weather.

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