SKU: SS22522V Weighs: 1355g Fill Power: 800 Fill Weight: 900g (based on size Regular) Down Treatment: Hydrophobic Comfort Limit: -22°C Insulation Type: Down Zip Length: 3/4 Length Zip Position: Left Zip Type: Mummy UOG TOP PICK—Rab's Neutrino Pro range features 800 Fill Power down intelligently baffled for an excellent warmth-to-weight ratio, and a water-resistant outer shell gives them the flexibility to be used for bivvying… Neutrino Pro 900 Down Sleeping Bag