The Tuff jacket features Coldheat insulation technology, which ensures that the lightweight, durable, and soft fibres trap and maintain the heat the body generates. It has an adjustable zip-off hood, a drawcord hem, and elasticated cuffs for a perfect fit. The jacket has a down-style look with a polyester fill and 3 low profile zip pockets. This insulation technology will help you stay warm and comfortable with freedom to move, even in the coldest and harshest conditions. Made from 100% Polyester. Please note: Fits true to your normal size.