Upper: Synthetic. Outsole: Fuel Resistant, Heat Resistant, Oil Resistant, Synthetic. 5 Eyelets. Heat Resistance (Celsius): 300°C. Fabric Technology: Anti-Static, Flexible, Lightweight. Composite Safety Toe, Energy Absorbent Heel, Metal Free, Pull Tab. Flat Heel. Cut: Low Cut. Design: Contrast Detail, Logo. Conforms to Safety Standard: EN ISO 20345: 2011 S1P, S1 SRA. Toe Style: Round. Fastening: Lace Up. Ref: UTPB356