SKU: OC1390V Down Treatment: Standard Fill Power: 850 Fill Weight: 735g (based on size Regular) Insulation Type: Down Weighs: 1105g (Regular) Comfort Limit: -15°C Zip Length: Full Length Zip Position: Left Zip Type: Mummy Western Mountaineering down gear has an awesome reputation in the US and that reputation is beginning to build on this side of the pond. Very high quality materials design and construction results in the lightest bags av… Antelope MF Sleeping Bag