Brown oil tanned leather. Composite safety toe caps are lightweight, non-metallic/metal detector friendly and non-conductive to heat or cold. Composite toe styles meet or exceed ASTM 2413-18 standards. Storm Defender Waterproof breathable membrane allows moisture to escape while keeping your feet dry. Insite Footbeds are designed to provide arch support and high rebound cushion for all-day comfort. Lightweight EVA midsole combines flexibility with maximum comfort and rebound.