Extremewear Extreme slip safety boot Electrical Resistance To 20kv for 60 Seconds (Eskom Spec 34-232) Upper Full-grain waxy leather Padded tongue and collar for additional comfort Extra wide upper as per Podiatory Specifications 5 pair loops with hooks Lining The quarter lining is from an Impregnated Ferrabelle non-woven material The vamp lining is from a hi-tech needle-fibre blend with excellent perspiration absorbency Top Sock Anti-bacterial, Energiser EVA top sock with Poron inserts at the ball and heel of the foot for additional comfort and anti-fatigue support Midsole Shank reinforcement for arch support Standard with an anti-penetration midsole Toe Cap Steel – new design extra-wide fitting Sole Dual Density PU/Vibram Rubber (Heat resistant up to 300 °C) EN / ISO 20345 NRCS/9002/287766/0437