Salomon Children's XA PRO 3D Winter Thinsulate CS Waterproof Boot Textile Imported Lug Sole sole Full waterproof bootie construction Thinsulate insulation provides enough insulation for cold conditions Contagrip with aggressive lug design ensures grip on all surfaces and terrain types Injected EVA midsole, die cut EVA sockliner ClimaSalomon waterproof membrane, mud guard, protective heel cap, gusseted tongue