- ANSI/ASTM 175 & C75 Approved- Mens Wolverine Composite Toe Mid Work Shoe W211020- Rev Vent UltraSpring Durashock Mid Series- Breathable Mesh Upper with TPU Molded Pieces- Moisture-Wicking Mesh Lining- Removeable Full-Cushioned Low-Density PU Footbed- Nylon Shank- UltraSpring High Rebound ETPU Midsole- Lightweight Cement Construction- Rubber Lug Slip-Resistant Outsole with Wolverine DuraShocks Flex- Electrical Hazard Rated- Color - Black