The Vango Nitestar Alpha 450 Sleeping Bag is a popular 4 season sleeping bag offering durability comfort & warmth making it ideal for camping & expeditions The Nitestar 450 Sleeping Bag is a mummy shape with its adjustable drawcord closure & insulated shoulder baffle & offset double layer construction for enhanced warmth & comfort The Nitestar 450 also comes with a 4 strap compression stuff sac for compact stowage