It looks like a baseball cap; it protects like a shell. PreCip waterproof insulation and synthetic Primaloft insulation are combined to create an awesome topmost layer of warmth and weather resistance. Full DriClime® lining reduces internal condensation and clamminess, and an adjustable draw cord ensures the perfect fit every time. Features Primaloft® Insulation DriClime® Full Lining Seamsealed for Waterproof Protection Adjustable Drawcord Product Details Main materials 100% Polyester Mesh 2.0 oz/ yd | DriClime® 100% Polyester Lining 2.7 oz/yd | NanoProTM100% Nylon Ripstop 2.2 oz/ yd Insulation Primaloft® Insulation Weight 0lbs 2.53oz (71.7g) Style number 17030