Kelty Cosmic Down 40-Degree Sleeping Bag Temp Rating : 40F | 4C / EN Lower Limit: 41F | 5C / EN Comfort Limit: 49F / 9C Insulation : 550 Fill-Power Down Regular Weight: 1 lb. 13oz (.81kg) / Long Weight: 1lb 15oz (.87kg) Regular Fits to 6' / Long Fits to 6'6" Shape: Mummy Bag