Critical seams sealed Color-matched Removable Strap-Kit Included 500D Airdura reinforced pre-curved seat, lower legs and hem 2-way full length leg zippers 3M Scotchlite Reflective materials CONSTRUCTION: Durable polyester/nylon shell with 3M Thinsulate Original Insulation (150g). WATERPROOFING: 5,000mm/5,000g/m² waterproof, windproof, breathable Ven-Tex 2.0 construction plus DWR (durable water resistant) treated outer shell surface.