The Wild Aspen 20 is carefully crafted for optimal three-season comfort. Enhanced with synthetic insulation, this sleeping bag achieves an outstanding warmth-to-weight equilibrium. Its lightweight yet durable micro polyester shell boasts resistance against water and abrasion. The inner liner is ingeniously constructed to lock in warmth effectively. Equipped with a fully adjustable mummy hood and an expanded foot box, it provides added comfort. Moreover, the inclusion of a zipper draft tube ensures a peaceful night's sleep by effectively keeping cold air at bay throughout the night.