Full grain waterproof upper leather. Waterproof membrane. Mesh linings. Ortholite footbed with Dryz Intellitemp X-Static moisture and temperature treatment for odor control. PU cushioned midsole. Timberland PRO oil, slip and abrasion resistant rubber outsole. TiTAN alloy safety toe. EH. ASTM F2413-18 M/ I/ C EH compliant.