Mongrel 251 Zip Safety Boot - Steel Toe, Side Zip, All-Day Comfort The Mongrel 251 Zip Safety Boot is built for demanding worksites, combining premium full grain leather with advanced safety and comfort features. With a side zip for easy access and the trusted AirZone® Comfort System, it delivers all-day support without compromising protection. Key Features: 200J Steel Toe Cap - Maximum certified protection YKK Side Zip with ZipGuard - Easy on/off access with added durability AirZone® Comfort System - Promotes breathability and reduces heat build-up Electrical Hazard Resistant - Extra safety for live environments TPU/PU ToughSider® Outsole - Slip, oil & fat resistant with excellent grip OrthoTec Air Footbed - Cushioned with arch support for superior comfort Temperature-Regulating Lining - Keeps your feet cool in heat and warm in cold Coats NylBond Stitching - Heavy-duty thread for long-lasting durability Padded Tongue & Collar - Extra ankle comfort and support Premium Full Grain Leather Upper - Durable with a professional finish Ideal For: Construction, trades, warehousing, and heavy-duty industrial use. Available in sizes: AU Men's 5-14 (including half sizes 6.5-10.5)