The Relay is a metal free safety hiker 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 Hiker Low Sew, TPU Bonded Breathable Mesh Upper Padded 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