Upper: Mesh. Lining: 3D Mesh. Insole: Foam. Midsole: Shock Absorbing, Steel. Outsole: Fuel Resistant, Oil Resistant, PU (Polyurethane), Slip Resistant, Penetration Resistant. 4 Eyelets. 3 in 1 Fitting System, Breathable, Energy Absorbent Heel, Moisture Wicking, Orthopedic Footbed, Pull Tab, Temperature Regulation. Flat. Cut: Low Cut. Design: Logo, Text. Conforms to Safety Standard: ASTM F2413:2018 - EN ISO, CE Certified, EN ISO 20345:2022, ESD, S1 P SR ESD FO GRS, SRC Rated. Toe Style: Steel Toe Cap. Fastening: Lace Up. Ref: UTFS10269