New Season Arrivals

This Series offers the perfect backpacking balance of weight and comfort. Light, warm, comfortable and adaptable, the Ascent is the sleeping bag of...

A great balance of weight and comfort, that provides the warmth you need when exploring above the tree line. A relaxed mummy fit provides the therm...

This sleeping bag is not just big; it's colossal! For vehicle-based adventures where weight and packability aren't a concern, sleep like royalty wi...

Push your sleeping bag's thermal abilities with the Reactor Fleece! Extend the thermal power of your sleeping bag with a little extra warmth to get...

Boost your sleeping bag's thermal abilities with the Reactor Fleece! Extend the thermal power of your sleeping bag with a little extra warmth to ge...

Push the limit of what your sleeping bag is capable of with the Sea to Summit Reactor Liner! Add warmth to your sleep system in cool or folding con...

Ultra-light and technical sleeping bags that keep you warm, without weighing you down. Sea to Summit's Spark Series spans everything from an ultral...

Ultra-light and technical sleeping bags that keep you warm, without weighing you down. Sea to Summit's Women's Spark Series is specifically enginee...

Combining traditional comfort and value with modern design, this bag is perfect for globe-trotting adventurers on a budget. Vertical baffles over t...

Combining traditional comfort and value with modern design, this bag is perfect for globe-trotting adventurers on a budget. Vertical baffles over t...