Specifications and Features: Durable, water resistant Nylon shell Plush polyester lining High performance synthetic insulation Mummy shape enhances thermal efficiency by minimizing excess space and reducing heat loss Snug fit around your head and neck area with the adjustable contoured hood Draft tube along the full length zipper Two way zipper allows for versatile ventilation and easy entry The bag packs in the included compression stuff sack 80" L x 32" W -20 Degree Temp Rating Fill Weight: 60oz Weight: 5lbs, 3oz