HiSun 800 - 1 Pc General Purpose Windshield w/Clamp and Vent OptionsLet's build you a windshield with the options you want. So, where do we start? We start with heavy duty materials, cut with CNC precision, made in America. BASE MODEL: " POLYCARBONATE The windshield is made of " Lexan polycarbonate. Lexan is the original brand of polycarbonate and offers incredible impact strength. When choosing a windshield always select " thickness. " polycarbonate will not bow at high speeds or when hauling as compared to 3 16".