Mountain Hardwear Unisex Hotbed Flame 20 Regular Sleeping Bag Polyester Imported Proprietary, vertically welded Lamina construction enhances loft and eliminates cold spots. Roomy, comfortable, relaxed fit efficiently maximizes warmth without constriction. Included microfleece-lined stuff sack that doubles as a pillow and a mesh storage bag. Full length #5 zipper with double sliders for versatile ventilation also allows two Hotbed bags to be zipped together (LH bag to RH bag). Thermal Q insulation has outstanding compressibility and maintains excellent loft. Comfort footbox follows natural foot position for maximum warmth and comfort. Face gasket comfortably blocks drafts at hood opening. Insulated draft tube with anti-snag panel prevents cold spots along zipper. Single-handed draw cords adjust hood and chest closure