Extremewear Anti-shock safety boot Extras: Electrical Resistance To 20kv for 60 Seconds (Eskom Spec 34-232) Upper Full grain leather Padded collar and ½ padded bellows tongue for comfort 4 pair eyelet lace-up with hooks Lining Needle-fibred vamp lining for excellent perspiration absorbency The quarter lining is from an industrial Ferrabelle non-woven material. In Sock Non-woven material in-sock laminated to Kevlar to protect the foot from heat transferance, through the sole of the boot Top Sock Anti-bacterial Energiser woollen top sock with anti-microbial properties Midsole Anti-penetration midsole available – 42603 (MTO) 42603 SMS (MTO) – NRCS/9002/287766/0454 Toe Cap Steel Sole Dual Density PU/Rubber (heat resistant up to 300° C) NRCS/9002/287766/0134 SANS / ISO 20345