Designed to supply warmth for less carry weight, the high-performance Therm-a-Rest Hyperion 20F/-6C is one of the lightest and best sleeping bags around. Using high-end materials, hydrophobic treated ...
Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? When I heard that Therm-a-Rest’s new Hyperion 20 sleeping bag was rated for 20 ...
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