The Hamelin -28°C extreme cold sleeping bag from Sea To Summit is a bivouac sleeping bag that offers superior comfort to traditional mummy bags and thermal insulation down to -28°C in extreme conditions. The Hamelin sleeping bag offers the benefits of synthetic insulation in wet or sandy environments.

The warm and cozy Husky Anapurna sleeping bag is a benchmark in extreme cold sleeping bags, it has proven itself on  trekking and expeditions in high mountains and cold regions or polar.