SKU: SS22661 Weighs: 762g Fill Power: 700 Fill Weight: 367g (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 Women’s Helium 400 sleeping bag is from their 'Women’s Helium' series of bags which hit a sweetspot for trekking and backpacking, very technical with high warmth to weight ratios they are… Womens Helium 400 Down Sleeping Bag