Breathable Stretch Mesh with Reinforced TPU cage - Breathable Mesh Lining - Removable DuraShocks PU Footbed - UltraSpring High Rebound ETPU Midsole - Rubber Lug Outsole with Wolverine DuraShocks Flex - Cement Construction - Nylon Shank - CarbonMax Composite-Toe - ASTM F2413-18 M I/75 C/75 EH rating