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