STEEL Caracteristicas TPU Back Insert IPD Technology Shock Absorber Drymax Microtec Pro Foamfree Blücher Ankle Boot Black Premium Box Calf Leather, Plain DRYMAX Lining (bottom part) Padded With Bellows, Lined and Padded Steel Ultra Tensile Strenght with REFLEMAX Metallic Eyelets Low density rubber comfort insole Electrical Hazard Resistant to Hydrocarbons Slip Resistant Self-Cleaning Resistant to Flexing Resistant to Abrasion Grooves for Stair-Climbing Wide Tread Base Multidensity Polyurethane Direct injection G - General use protection Electrical Hazard (EH) Polypropylene Toe-Cap Rubberskin Treatment PR - Puncture Resistant Safety, technology, design and comfort. The best in its category. Read more about STEEL