... .outsole: rubber sole3.lining: mesh/campela4.colour: black/ brown5.steel toecap and midsole,Anti-smash,anti-stab6. ... , taupe brown,olive green,brown,yellow2 .anti-hit , acid and alkali resistance , oil resistance and water proof3 .optional functions : puncture-proof , anti-static ... class ,oil- resistant, high temperature resistant protective shoes and so on. All products have non-slip ,breathable ...