Details Mountain Equipment Helium GT 600 Down Sleeping Bag - Long - Left Zip The Mountain Equipment Helium GT 600 sleeping bag is a light and packable down sleeping bag that's a touch more spacious than the standard Helium 600, giving you a bit of extra wiggle room for a better night's sleep. With a light and highly breathable recycled outer shell, the bag is constructed from slanted box-wall baffles, stuffed with 700 fill power duck down, in an Alpine fit which maximises thermal efficiency. Fill: 656g 90-10 pure duck down with a minimum fill power of 700 Good night's sleep guaranteed at -10°C/14°F 100% recycled HELIUM 20D outer shell is very light and highly breathable with PFC free DWR 100% recycled Supersoft 20D lining fabric with PFC free DWR GT fit is roomy, comfortable and allows for a variety of sleeping positions Slanted box-wall baffles throughout Mid level side seams 5 baffle anatomically shaped hood 4 baffle anatomically shaped and offset foot-box Full length Gemini™ zip baffle and integrated collar with Lode Lock™ closure Supplied with a waterproof roll-top stuff-sack and storage cube Mountain Equipment is a member of the Fair Wear Foundation Specifications Helium GT 600 Sleeping Bag