Non metallic composite hardware keeps these scanner safe. A PU high density midsole adds long lasting support. Further comfort is added with the padded collar and tongue. The SRC high traction rubber outsole is designed for maximum grip.Durable full-grain leather upperHardwearing TPU toe guard & heel support structure for added protectionComposite plastic toe cap and penetration resistant plate which is as strong as steel but much more lightweight and also scanner safePadded foam collar and tongue for added comfortStrong rustproof non-metallic scanner safe hardwareFast wicking mesh lining for moisture management and comfortRemovable contoured moulded insole and PU high density midsole for long lasting supportDurable high-traction slip-resistant rubber outsole with ladder grips and heat resistant to 300oCTested and certified to European standard EN ISO 20345:2011 S3 HRO WR SRC