Premium waterproof full-grain leather upper Breathable waterproof membrane with moisture wicking mesh lining Removable Ortholite UltraLite full-cushioned footbed is light without sacrificing comfort Revolutionary UltraSpring high rebound ETPU midsole provides an energized ride Goodyear Welt Construction with a nylon shank ASTM F2413-18 M I/75 C/75 EH rated composite CarbonMAX toe