Upper - Premium Waterproof Full Grain LeatherLining - Cosmo Mask Scent with 400g 3M Thinsulate?Insole - Ortholite? Removable InsertConstruction - CementShank - Non-MetallicOutsole - Rubber with compression molded EVA for shock absorptionSafety Features - Nano Composite, EH, Meets ASTM F2413 Safety Footwear Standards