The Scott Defined Heritage Pile Fleece is made of a stretchy, breathable 100% polyester fabric. Even when worn under a ski jacket, it offers great freedom of movement. When the weather permits, it can also be used as an outer layer to lighten your load during a splitboard or ski touring climb. It has a small stand-up collar. Its full zipper allows to regulate efficiently the body heat. Fleece Scott ---Defined Heritage Pile Black