KELTY Pocketable Insulation Muffler / Muffler Color: Beige This muffler uses lightweight, highly insulating Thinsulate for the filling. Unused, stored at home. Please refrain from purchasing if you are concerned about minor details. ―DETAIL― The generous volume, similar to a down muffler, firmly holds around the neck. The lightweight and highly insulating Thinsulate filling is perfect for active scenes such as outdoor activities. Pocketable design for convenient portability. Features a design with a pass-through hole for easy wear. ―FABRIC― Uses highly insulating Thinsulate filling. Lightweight and matte material, comfortable against the skin and soft to wear. ―COORDINATE― Simply wrap it through the hole, no complicated arrangements needed. Easy to wear, which is a nice point. It warms the neck while also serving as an accent to your outfit. The moderate volume also has a face-slimming effect.