UPPER: Lightweight, soft, full grain leather upper. Anti-stretch lining throughout with anti-slip rear lining. Fiber Tech sock liner with flex points in the forefoot area. INSOLE: Cotton and shock absorbing EVA foam. LASTING BOARD: Fiber Tech sock liner with flex points in the forefoot area. OUTSOLE: RTX 14 outsole with Axeler technology, which is a threadlike Tech Alloy frame inserted directly into the dual density polyurethane sole, improving forefoot flexibility and ensuring maximum stability. The 14 fixed studs provide excellent stability and improved abrasion resistance.