Item: GB-6608 Material: dual density PU end, high-quality suede leather inside the new breathable mesh (which can add fake fur, pure wool) Features: oil, acid, lightweight, abrasion, folding, with good . Non-slip effect is not closed toe, comfortable, not a plastic, constantly end features: anti-smashing, anti-skid, insulation, wear-resistant, shock absorption, insulation, anti-puncture, oil acid, ankle protection, anti-static, anti-piercing ( optional) Standard: meet the Chinese national standard applies to: construction, petrochemicals, railways, coal, metallurgy, shipbuilding, machinery manufacturing and other industries