Waterproof Pro™ construction with waterproof full-grain leather. Mesh lining. 100% non-metallic. Anatomically-engineered Pro Performance insole. Shock-absorbing EVA midsole. Oil- and slip-resisting Duratread™ outsole. 90? heel. Passes European standards for SRA slip resistance level . Safety toe is ASTM F2413-18 M/I/C EH rated. Meets EN ISO 20435 SB level requirements for safety footwea