Shell:32 0T ripstop/water-resistant nylon. 90% duck down Fill Power 550. Fill 400g duck down—Total Weight 1100g Recommend Temprature: 15? Fill 600g duck down—Total Weight 1300g Recommend Temprature: 10? Fill 800g duck down—Total Weight 1500g Recommend Temprature: 5? Fill 1000g duck down—Total Weight 1700g Recommend Temprature: 3? Fill 1500g down total weight1950g , Recommend Temprature: -10? Fill 1800g down, total weight 2250g, Recommend Temprature: -15? Fill 2100g down, total weight 2550g, Recommend Temprature: -20? Fill 2500g down, total weight 2950g, Recommend Temprature: -25? Fill 3000g down, total weight 3450g. Or, you can choose to get a replacement. Our goal is to ensure a happy shopping experience with us.