Upper: Buff Natural Grain Chromium free Leather (Highly Breathable)/ Nubuck Leather. Interlining: 1mm NC Drill. Lining: Textile mesh with 3mm high density foam lamination which ensure a greater comfort during the whole working day. Eyelets: 600 nos nickel free, anti rust eyelets. Socks: 5mm Antibacterial soft EVA with Textile lamination. Sole: Light-weight polyurethane (PU) midsole and slip-resistant rubber outsole. Sole resistant to oil and acids/alkalis. Heat resistant outsole of up to 300 degree celsius. Toe: Epoxy Coated 200J steel toe cap. Insole: Non woven, water resistant Cellulose insole. Extra thick full length fabric-lined EVA foam insole with shock absorption, anti-bacterial and anti-static properties. Collor: High Density PU Foam for extra cushion and sweat absorb. Thread: 40, 20 nos Nylon threads Foot bed: Extra soft imported EVA Laminated with Fabric.