Keeps you warm and safe even at temperatures close to freezing. double-layer waterproof technology keeps warm in a humid environment and prevents moisture. have a weather-resistant and waterproof design to keep you warm, prevent you from any dampnessthe stitching and material feel neat and comfortable. outer cover materialthe idea of having a zipper at the foot to allow more warm or cool air to enter or exit the bag in different times of the season. size 180cm,cap 30cm ,width 75cm.