Features of The North Face Inferno 35F/2C Sleeping Bag Generous cut allows you to slip your sleeping pad into the inside of the bag, eliminating excess fabric and Insulation from the sleeping bag Removing backside materials and including sleeping pad integration allows for extremely light and fast bag 100% Recycled Main Body Material Is Light, Durable And Coated In Aluminized Xreflex For Higher Thermal Retention Side half zipper so the sleeper can adjust for temperature Lightweight, flat, insulated hood adds extra comfort without weight Cinch-cord on top of bag seals out the cold Vaulted footbox Compression sack and storage sack included Waterproof and breathable Neovent Air helps protect the head and footbox Temperature Rating: 35°F / 2°C Fabric Details Main Body Fabric: 15D Recycled Nylon Coated with Aluminized Xreflex Treatment Head And Footbox: 15D Recycled Nylon Ripstop with Breathable Coating Lining: 30D Nylon Taffeta Insulation: 800 Fill Prodown