Black flame retardant leather ‘critical application’ smelter boot -230mm height, Non intrusive metatarsal guard protection, Ultra tough flame retardant toe leather scuff cap protection, Compression resistant 8 point Ssoftherm® upper insulation against radiant heat, Full Kevlar® stitched seams resist liquid metal splash and immersion, Velcro secured flaps for individual fit adjustment – fast exit and entry, ‘Dip’ tested to 960°C in molten aluminium and 1520°C in molten steel, Low density shock absorbing polyurethane midsole, New rubber outsole designed to specifically increase slip resistance in varied environments: excellent cut and slip resistance, oil, acid and organic fat resistant, Sole heat resistant to 300°C, XRD®Technology in the heel strike zone for increased shock protection, Luxury PU footbed with arch support with XRD®Technology heel and forepart inserts – antibacterial, breathable and washable, Broad fitting steel toe cap. Electrical shock hazard resistant