1. Flannel2. Mapported3. Mase Primer. The skin-friendly and soft material is soft, comfortable and breathable, which can quickly make the sleeping bag more fluffy and warm. It can keep you warm and prevent moisture even in extreme conditions. Suitable for anyone up to 7 feet tall to sleep. You will feel comfortable no matter what posture. High-quality two-way zipper brings you a more comfortable camping experience.5. [Soft and Durable]: This sleeping bag adopts waterproof coating, excellent waterproof performance, high strength, and is made of 210T polyester fabric. Rated temperature: 0 -15, comfort rated temperature: 20 -55, zipper design, suitable for various weather conditions. And the chest strap can be adjusted, and the hood surrounds you to keep you warm from top to bottom.