Aoohe Cool Weather Camping Outdoor Single Sleeping Bag for 3 Seasons (Spring, Summer, Fall) - Blue - Adults Zipper Glide Tailoring: Allows smooth zipper operation around the corner. ZipPlow: Prevents zipper snags by plowing fabric away from zipper. Refined compression bag saves space. Roll Control: Locks bag in place for easier rolling. When unzipped, it can spread out to be used as a quilt (74in x 59in) Fiberlock prevents insulation from shifting to keeping you warm throughout the night. Outer surface material is waterproof. Cool weather sleeping bag designed for temperature 32F~+ 46F~ + 59F~ (0C~+8C~+15C~) Reduces heat loss through the zipper, keeping you warmer. Certified temperature rating independently tested for accuracy