Upper:• Perforated microfibre and highly breathable mesh fabric with TPU (Thermoplastic Polyurethane) inserts • Heel stability support • Traditional lacing, stretch-laced • Wide fit Outsole:• EVA (Ethylene Vinyl Acetate) midsole • Durable nitrile rubber tread Toe cap:Polymer material, 200 joules Penetration-proof insole:Composite fibre, ceramic treatment Underfoot cover:EVA FOAM, with cushioning heel pad Weight:490 (g) EU: 38-48 UK: 5-13