Lightweight nylon down sleeping bag, a 3-season model suitable for temperatures down to -4°C. - Model Name: Air 450 X - Temperature Rating: Temp. Rating -4°C - Season: 3-Season Model - Material: 100% nylon (outer fabric) - Fill: 90% down, 10% feather The photo of bag No. 5 is from a different manufacturer. No. 6 is the tag of the bag. If you don't need the bag, please comment. This item is unused, but has been stored for about 10 years since purchase. Reference price: ¥25,980 - ¥41,800 Please consider the above information and confirm before purchasing. Thank you.