Ensuring you stay warm in the most extreme temperatures, the Everest Down Extreme Sleeping bag is our most advanced sleeping bag. The comfort temperature is -3C to - 9C with a mummy shape to match your body shape, making it ideal for camping during chilly nights.4 Season - Very cold, Frost & Snow Mid winter, extreme conditionsTwo Way Zip - A two-way zip is useful for easy opening when ventilation is required. Zips can be full length or just half way. Zip Cover - Covers the zip to prevent irritation against your skin as you sleepHood - Much of your body heat is lost through your head, a shaped hood will help keep in heat. A draw cord closure allows you to pull the hood tight against your face for added warmth. Inner Pockets - An inner pocket to keep your valuables safe and close to you while you sleepStuff Sack - A small bag which your sleeping bag stuffs into, keeping it compact and portableMummy Shape - Mummy shaped bags follow your body shape, giving you a cosier night's sleepPersonal Preference - Please remember that everyone feels the hot and cold differently. Always go with your personal preference Great For Sub-Zero Conditions - Ideal for cold temperature expeditionsInsulated - High quality 900g 80/20 grey duck down fillingComfort Temperature - The comfort temperature for this sleeping bag is -3°C to -9°C. This is the minimum temperature that the sleeping bag is designed forWeight - 1.76kgDimensions - 220cm x 80cm x 55cmPacked Dimensions- 21cm x 35cm