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, with standing temperatures up to 300 degrees Celsius. The boot also features a side zip and lace up front. Features: 2210. 3 Standard, Australian Standards Safety Footwear. Hard Working. Detais: Nitrile, PU sole construction, Removable extra thick PU insert, Anti-static, Anti-slip non marking sole, Oil resistant sole, Flex zone technology, Composite toe cap, Individually boxed carton of 5. Colours: Black | Claret | Wheat | Waxy Brown. Sizes: 6 | 7 | 7. 5 | 8 | 8. 5 | 9 | 9. 5 | 10 | 10. 5 | 11 | 11. 5 | 12 | 13 | 14.