• nylon
• Winter --long enough for most adults to keep warm, can can be freely adjusted, for adults
• Outdoor --foldable and for convenient storage with drawstring bag container supplies, for adults
• for adults--no odor for nice sleeping experience,winter
• for cold weather--comfortable, anti-splashing water, durable and lightweight, for adults
• Camping --great for survival, backpacking, hiking, camping, trekking and any other exploration, for adults