HH® Free-Flex HH® Max-Grip HH Surround-Grip HH Hydro-Grip HH Storm Siping HH® Quick Dry HH® Max-Vent HH® Max-Comfort Insole HH® Lite-Frame HH® Power-Stride HH® Pro Guard 100% Recycled Lace 100% Recycled Polyester Webbing 100% Recycled Lining 30% Recycled Rubber 30% Recycled EVA Mid-sole 100% Recycled Polyester Strobel More than 70% of the upper is made of recycled materials PFC-free DWR Recycled Content.Composition:Upper:100% Polyester (Recycled).Upper 2:100% Polyester (Recycled).Upper 3:80% Thermoplastic Polyurethane