SKU: SS22660V Weighs: 825g Fill Power: 700 Fill Weight: 403g (based on size Regular) Down Treatment: Standard Comfort Limit: -6°C Insulation Type: Down Zip Length: 3/4 Length Zip Position: Left Zip Type: Mummy Mountain Equipment's Helium 400 sleeping bag is from their Helium series of bags which hit a sweetspot for trekking and backpacking, very technical with high warmth to weight ratios they are many hikers 'goto' bag. Mount… Helium 400 Down Sleeping Bag