Certification: S1P - Src ? 200J Resistant Composite Toe Puncture Proof Textile Fiber Insole Sole Injected In Bidensity Pu? Extra?Ble Antistatic Insole In Pu With Ergon?Mico Thermoformed? Breathable Mesh Lining Nylon Upper With Fine Suede Reinforcements? Reinforced Heel For Maximum Grip