Upper: Full Grain Leather, Water Resistant. Lining: Thinsulate. Insole: Cushioned, PU (Polyurethane), Removable. Midsole: Metal Free, Phylon, Shock Absorbing. Outsole: Durable, Rubber. Heel Energy Absorption (Joules): 200. Mesh Collar, Padded, Padded Tongue, Penetration Resistance to 1100 Newtons, Pull Tab. Fabric Technology: Waterproof Membrane. Flat. Design: Logo, Plain, Text. Toe Style: Fibreglass Toecap. Fastening: Wire Lace. Ref: UTFS12383