Dual density Nitrile Rubber/PU sole offers the shock absorbing, comfort of low density PU (Polyurethane) midsole, with the long wearing rubber outer sole. This gives superior grip and durability, withstanding temperatures of up to 300°C. The boot also features a YKK no 10 side zip as well as lace up front. BSI Certification BMP 622279 EN ISO 20345:2004,Packing: Individual display box. Carton of 5,Certified to Australian and New Zealand standards AS/NZS, 2210.3:2009, Removable extra thick PU inner sock, Kick off lug`s at heel, Extended TPU bumper toe protection, Flex Zone Sole technology, Slip resistant, non-marking soles, Oil resistant, Anti-static, Impact resistant broad fitting Composite toe cap and TPU toe cover. Color: BLACK|Black|WHEAT|Wheat Size: 03|04|05|06|07|7.5|0|14