Timberland PRO Men's Helix 6" Waterproof Safety Toe 100% Leather Imported Rubber sole Shaft measures approximately 6 from arch Rugged full-grain waterproof leather with waterproof membrane TiTAN alloy safety toe for lightweight protection and roomy fit; cement construction; nylon diffusion shank Contoured single-density open-cell polyurethane footbed; Mesh lining with antimicrobial treatment Anti-fatigue technology with conical midsole geometry, featuring polyurethane materials Dual-purpose top hardware; Active heel lock lacing system