The Spark -1 sleeping bag from Sea To Summit is the perfect option for lightweight adventures that put comfort first. The optimal warmth-to-weight ratio and 850+ FILL Power make this bag as comfortable as it is compact and easy to store. Goose down with Ultra Dry Down treatment for greater water resistance in humid conditions.

The Alpine -29°C extreme cold sleeping bag from Sea to Summit features the highest quality Ultra-Dry down and Profiled mummy cut for maximum insulation and comfort in very cold weather. This sleeping bag will keep you warm in the coldest weather conditions.

ThermoBag 450 extreme cold sleeping bag, with very good thermal performance for good value for money. All the benefits of a very good 3-season sleeping bag.