Standard: SBP / S1P / SB / S1 / S2 / S3 available Material:Upper:Colored smooth leather, steel toe cap and plate, Lining: Canberra Moisture Wicking Nylon Mesh Lining Outsole: Good-year rubber with 90 Degree Heel Insole: Light weight EVA, steel sole Eyelet withlace Function: 1:Steel Toe Cap Provides Solid Protection in the Toe Area 2: Inner steel sole: 3. Insole Fully Lined for Durability, Breathability, and Comfort 4: Machine sewing lining: strong and comfortable 5: Rubber/oxford sole: wearable and well bended 6: Water proof 7: Non skid 8: Oil resistance 9: Acid & Alkali resistance 10: Heat resistance 11: Anti-shock 12: Anti-static and Electro Static Dissipative special