○ Item mont-bell Seamless Down Hugger 800 Half Length 800FP EX Down Ballistic Airlight Current Sleeping Bag Mountaineering, Snow Mountain, Trekking 1121416 An ultralight sleeping bag designed to be used in combination with down clothing. The structure uses only fabric without down filling from the chest up, significantly reducing weight. By tightening the drawcord around the neck, the release of warm air and the entry of cold air are prevented. High-quality 800 fill power EX down is enclosed in a spider baffle system that maximizes the loft of the down. Ideal for alpine climbing and other activities where you want to lighten your load. This model can be used in winter mountaineering in combination with down clothing. ○ Size [Storage Size] Φ14 x 28cm (3.8L) [Comfort Temperature] -3°C [Usable Temperature] -10°C [Features] Super Spiral Stretch System (installed inside: maximum stretch rate 135%) ○ Material Nylon Down 90% Feather 10%