SKU: SS22663V Weighs: 617g Fill Power: 700 Fill Weight: 242g (based on size Regular) Down Treatment: Standard Comfort Limit: 2°C Insulation Type: Down Zip Length: 3/4 Length Zip Position: Left Zip Type: Mummy Mountain Equipment's Women's Helium 250 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 many hikers… Womens Helium 250 Down Sleeping Bag