How to choose a RIGHT down sleeping bag? Secret 5—— Fill power There are two different kinds of down sleeping bag. You can either get a goose fill down sleeping bag, which is made of goose down or goose feathers, or, a duck down sleeping bag.Normally, duck down sleeping bags are typically a little

Down content is a very important measurement index of down products, it shows the presentation of down and feather in the down products．60/40, 80/20 and 90/10 are all common down content we know. You might think : It is quite easy to tell the difference between down and feather, they must be like th

People often pay less attention to the construction of the sleeping bag while they are going to buy one, because it is inside the sleeping bags and we couldn’t see or touch directly. You have to know that the construction of down sleeping bag is a very important part of determining the warmth of sl