Extreme cold sleeping bag for your hikes or expeditions, on inuka, you will find very warm and cozy sleeping bags for extreme cold down to -63°C. All the major brands of duvets and cold-weather sleeping bags are represented. Carinthia, Marmot, Wilsa, Trimm, Mountain Equipment, Snugpak... Need advice for a very cold expedition: the inuka team is specialized in bivouacs and expeditions and remains at your service!