Extremewear Extreme slip safety boot Extras: SRC Slip Resistance Rating Upper Full grain leather Padded tongue and collar for comfort Extra-wide fitting upper as per podiatry specifications 5 lacing guides 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 additional 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) NRCS/9002/287766/0486 EN / ISO 20345