PU nubuck and breathable mesh upper. Rubberised toe and heel bumpers. EVA comfort footbed. Isotex waterproof footwear. Seam sealed with internal waterproof and breathable Isotex membrane for protection. Shock-absorbing EVA pads to cushion feet and deep padding around the collar and tongue to support your foot. Hydropel technology to shed moisture. 52% Polyurethane, 48% Polyester.