Our Greystone 20 degree mummy-style sleeping bag delivers high value and performance in a lightweight bag. Ideal for backpacking but versatile enough for couch surfing, it's insulated with DownTek, uses baffle construction for efficient heat distribution, and features a PFC-free coating to repel moisture. If you're in the market for a mummy shaped bag constructed with high quality, lightweight materials this bag is your ticket to getting out there in comfort and warmth!