Fancy our gear?
Sign up for our newsletter and receive new product releases, deals and exclusive sales.
The Sea to Summit Alpine ApIII down mummy sleeping bag is designed for the rarefied world of high-altitude and arctic conditions. It features cutting-edge materials, the highest quality Ultra-Dry down, and complex construction. Expedition mummy sizing allows you to wear extra clothing and boot liners inside the bag.
If you are going above or beyond, the Alpine is the bag you will want to take with you.