SKU: SS22888 Weighs: 250g Fill Power: 850 Down Treatment: Standard Comfort Limit: 10°C Insulation Type: Down Zip Position: Left Zip The ultra 10° bag uses high-quality down and ultra-light ripstop nylon; these high-quality materials. This is not designed as a stand-alone sleeping bag Exped says: The Ultra 10°, the lightweight in our Ultra ser… Ultra 10° M Down Sleeping Bag