Black oil tanned leather. Nano Composite safety toe caps are lightweight, non-metallic/metal detector friendly and non-conductive to heat or cold. Nano Composite toe styles meet or exceed ASTM 2413-18 standards. Rain Defender repels water to keep your feet dry in light rain. Insite Footbeds are designed to provide arch support and high rebound cushion for all-day comfort. Carhartt LWD midsole provides elevated lightweight comfort with the expected Carhartt durability.