Breathable mesh upper with TPU molded pieces• Moisture wicking mesh lining• Removable full cushion low density PU footbed• Revolutionary UltraSpring™ high rebound ETPU midsole provides an energized ride• Rubber lug outsole with Wolverine DuraShocks® Flex• Lightweight cement construction• Nylon shank adds extra strength• ASTM F2413-18 M I/75 C/75 EH rated composite CarbonMAX toe