The Thermarest Hyperion -6C Sleeping Bag weighs just 539g. It defies the cold and provides better rest while moving through the mountains.
Built to provide a featherlight pack weight and high-performance warmth, the Hyperion 20F/-6C sleeping bag is among the lightest in its class without sacrificing an ounce of performance.
The bag uses thermally-efficient box baffled construction in key areas to ensure warmth and comfort in an ultralight package.
Designed with high-quality materials and Therm-a-Rest performance features like SynergyLink Connectors, the Hyperion keeps your pack light, giving you the freedom to move quickly in the backcountry.