Synthetic Sleeping Bags

The Sea to Summit Ascent -9C is a premium down sleeping bag for cold-weather adventures. It provides warmth even in freezing temperatures. The bag is lightweight and features a relaxed mummy shape for comfort. The free-flow zipper system allows for..…

This spoon-shaped backpacking bag is designed for side sleepers, with generous room at elbows and knees, and allows for maximum temperature regulation with Nemo's award-winning Thermo Gills feature. Nemo says:  Seventy percent of people sleep on…

Versatile, roomy, and reliably warm. Sea to Summit says:  A women’s-specific backpack-capable sleeping bag that provides a higher level of comfort than unisex mummy bags. The higher weight compared to a down bag is balanced by the benefits…

Versatile, roomy, and reliably warm. Sea to Summit says:  A backpack-capable sleeping bag with a higher level of comfort than traditional mummy bags. For a few extra grams and larger packed size, Hamelin brings the benefits of synthetic insulati…

The Sea to Summit Venture VtII is a premium synthetic sleeping bag for cold-weather adventures, offering comfort even in freezing temperatures. Its unique insulation traps maximum warmth, while a contoured hood and oversized draft tubes prevent heat …