- Envelope design with the same shoulder and foot width. The upper hood can be contracted to keep warm and keep out the cold
- Hollow cotton filling, soft and comfortable, warmth retention property is strong.
- With a zipper, smooth, unzipped, the sleeping bag can be spread out as a quilt or floor mat.
- The head of the sleeping bag is designed with high adhesive hook and loop fasteners to prevent the zipper from unzipping accidentally and the cold wind pouring in.
- Double end zipper, both inside and outside can be operated, more convenient to use.