SKU: SS22529V Weighs: 838g Fill Power: 800 Fill Weight: 400g (based on size Regular) Down Treatment: Hydrophobic Comfort Limit: -7°C Insulation Type: Down Zip Length: 3/4 Length Zip Position: Left Zip Type: Mummy UOG TOP PICK—Rab's Neutrino range features 800 Fill Power down intelligently baffled and a Tapered Mummy shape for an excellent warmth-to-weight ratio. It is a fantastic all-round bag for trekking or fast and light… Neutrino 400 Down Sleeping Bag