Vango Nitestar Alpha 450

4-SEASON YEAR-ROUND SLEEPING BAG - Suggested Usage from -9 to 15°C, ideal for camping off-peak and in remote and exposed locations POLAIR HEX OUTER SHELL - Tough hexagonal ripstop polyester outer that is satrong, highly breathable and machine washable POLAIR LINING - A super-soft and comfortable inner lining that is also hardwearing and easily wa... moreshable 3D HOOD WITH DRAWCORD CLOSURE & SHAPED SIDES - built to prevent heat loss from the head whilst shaped sides provide additional comfort AUTO-LOCK 2-WAY ZIP - Seals in warmth and gives adjustable ventilation when required. The auto-lock keeps the bag closed during the night, and can be accessed from inside the bag to easily zip yourself in and out.