The KSB Lightweight Sleeping Bag is thoughtfully designed for cold weather comfort. The compact sleeping bag features synthetic insulation for an exceptional warmth-to-weight ratio. The lightweight and durable shell is water and abrasion resistant, while the inner liner is designed to retain warmth. This men's and women's sleeping bag features a fully adjustable mummy hood and a built out foot box for extra comfort. The zipper draft tube ensures the cold air stays out, so you sleep soundly all through the night.