STEEL BLUE ARGYLE ZIP-SIDED NON-SAFETY BOOT The Steel Blue Argyle Zip is a 150mm mens derby style, lace-up safety work boot with an industrial grade zipper so you dont have to worry about tying up laces every day. These steel toe work boots are a popular 100% comfortable choice for Tilers, Dock Workers, Plumbers, Warehouse Staff, Construction and Courier Drivers. The Steel Blue Argyle Zip also features a heat resistant TPU outsole to 130 degrees, a 200 joule safety steel toe cap and premium water resistant leather available in black and wheat Nubuck. Style: Zip sided boot. Features: Steel toe cap. Super light and super flexible. Water resistant full grain leather. TPU outsole heat resistant upto 130 degrees Zip sided Anti-Static resistant sole. Application: A popular choice for Tilers, Dock Workers, Plumbers, Warehouse Staff, Construction and Courier Drivers. Standards: Australian/NZ Standard AS/NZS 2210.3 American STandard ASTMF2413 European Standard EN ISO20345 Colors & Sizes: Black or Wheet Nubuck 3 - 14 (6.5 - 12.5 half sizes available)