[Product Description] From the opinion that your feet will be cold when you sleep in a sleeping bag during the cold months such as winter, this fleece is born! You can put it into the foot of your sleeping bag to keep you warm and warm. In addition, the storage bag that can hold a traditional sleeping bag in such a way that the sleeping bag can be squeezed into a sleeping bag, so the fleece on the feet has excellent elasticity, so you can put it in quickly and easily. It is very useful for people who often use sleeping bags in a car, etc. You can also use it as a cushion or pillow when storing it in a sleeping bag. This is a handy 3-in-1 item that has never been before. Put it in a sleeping bag to warm your feet. It can also be used as a sleeping bag storage bag. Can also be used as a cushion during storage. Recommended for those who like this. People who use sleeping bags for sleeping in a car, have bought it for disaster prevention, but once you leave it out, it is troublesome to put it in a traditional bag.