Timberland PRO Men's Helix 6" Non-Waterproof Steel Toe Work Boot Leather Imported Rubber sole Shaft measures approximately 6 from arch Lace-up work boot with premium full-grain leather upper featuring cement construction for flexibility and Active Heel Lock Lacing System for secure fit TiTAN alloy safety toe for lightweight protection Anti-fatigue shock-absorbing technology with conical midsole geometry featuring polyurethane materials Mesh lining with antimicrobial treatment and contoured single-density open-cell polyurethane footbed Nylon diffusion shank Shaft measures approximately 6" from arch