This lightweight travel sack is great for international hostelling, summer camping, RVs or simply to keep in your trunk for emergencies. Lofty hollow-core polyester fiber insulation is warm without a lot of bulk, compresses easily for packing and continues to insulate if wet. Unzip zipper and lay bag flat like a comforter or just unzip it partially at the foot for ventilation or to roam around camp without leaving your bag Short zipper with snap tab closures creates armholes for ventilation. Both zippers have an anti-snag backing for easy entry and exit. Differentiated drawcords one round, one flat let you adjust hood and neck easily in the dark. Also works great as a sleeping bag liner for added warmth. Zippered chest pocket holds watch or other small items, alleviating late-night fumbling. Nylon stuff sack included.