The Argyle Zip in black is the classic Steel Blue boot, made with premium materials and has a hardened steel toe for extra safety. Leather:Boots made from high quality, long-lasting leather, including Nubuck, Full-Grain, TECtuff®, Suede and more. Steel Toe Cap:Made from hardened steel for premium toe protection. TPU Outsole:Our standard durable outsole with heat resistance to 130°C. Slip & Oil Resistance:All Steel Blue footwear is designed to exceed the Slip resistance requirement in Read More Anti-Static:Prevents the build-up of static electricity within your body by dissipating it through the sole. Water Resistant: A treatment during the manufacturing process provides water resistance so that water is repelled from the surface. Zip Sided: Lace Up for comfort, then use the side zips for quick access. Lace Up: A classic fastening for snug, well-fitting work boots. Fresche QuatLock™: A renewable resource that offers long-term antibacterial and antimicrobial protection against fungus, bacteria and the odours caused by bacteria. Steel Blue ARGYLE Zip 150mm High Lace Up with Zip, Steel Cap Boot Black