Full-grain leather upper. Lightweight composite toe cap meets or exceeds ASTM2413-11L/75 C/75 EH standards. Removable rebound foam insole for extra comfort. Non-metallic Lenzi puncture plate. Non-metallic hardware to meet scratch resistant workplace requirements. Direct attach dual density PU slip and oil-resistant outsole with a .43 Mark ll slip rating. Waterproof membrane construction. 400g Thinsulate insulation. Moisture wicking textile lining.