Easy to Clean Molded DuraFLEX Upper. Lightweight and Breathable Mesh Panels and Tongue. Molded Heel Counter for an Enhanced Fit. EVA Cushion Midsole with an Internal Nylon Shank. Slip Resistant Rubber Outsole with a Reinforced Toe Stitch for Increased Durability. Padded Mesh Collar for Breathability and Comfort. Removable Cushioned Insert with Added Arch Support.