This composite S3S trainer features a high abrasion resistant toe bumper, a puncture resistant non-metallic midsole, and a dual-density PU/PU outsole for superior grip and energy absorption. Key features include a composite toecap, Pierce resistant composite midsole, anti-static and fuel/oil resistant outsole, water resistant upper, energy absorbing seat region, and a dual density sole unit. It is SRC certified for slip resistance on ceramic and steel surfaces, CE certified, and offers a superbly cushioned comfort foot bed to reduce fatigue. Upper: Mesh, Lining: Mesh, Midsole: Mono PU, Sole: PU/PU.