DD UnderblanketSuitable for use in temperatures down to 5C, the DD Underblanket works to prevent heat loss from beneath you. Hang it under your hammock, and feel the warmth generated in minutes for a cosy night's sleep! In our opinion, this is the best hammock insulation for a cold night in the wilds! How does it work? In hammock camping, the majority of heat loss is from below due to your body weight compressing your clothing or the loft in your sleeping bag. The