The Hurdle is a metal free safety trainer from Amblers Safety. Featuring a 200 joules fibre glass composite toe cap and a non-metallic midsole for impact and penetration resistance. Lightweight Fully Non-Metal Safety Trainer Low Sew, TPU Bonded Breathable Mesh Upper Mesh Collar for Extra Comfort Cushioned Removable PU Footbed with Arch Support EVA Midsole Enhances Comfort and Shock Absorption Durable Rubber Outsole Outsole Heat Resistant to 300 Degrees. This trainer is designed to offer both protection and comfort without the use of any metal. The low-sew, TPU bonded breathable mesh upper ensures durability while allowing for superior airflow. A mesh collar adds extra comfort, while the cushioned, removable PU footbed with arch support offers personalized comfort throughout the day. The EVA midsole enhances overall comfort and shock absorption, making these trainers ideal for long hours on your feet. With a heat-resistant rubber outsole capable of withstanding temperatures up to 300 degrees, the Hurdle trainers are built to perform in demanding environments.