Bent Knee/Fetal Position Sleep Systems

These sleep systems that have enough room in the torso area to bring knees to chest in fetal position inside. This is an extremely efficient position in terms of heat retention and it can often be used to take a system below it’s rating. However, if one never uses this position, these systems will have extra room/less efficiency. These generally have a very large differential cut to eliminate compression on the down from these positions.

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