Extremewear Welders safety boots Upper Full grain leather upper Padded collar and ½ padded tongue for additional comfort and support Leather spat covering to shield laces and protect the wearer from sparks and metal burns entering the boot 4 pair eyelet lace up with hooks Lining The quarter lining is from an Industrial Ferrabelle non-woven material The vamp lining is from a special Kevlar blend material and laminated to foil to reflect heat away from the boot In Sock Non-woven material in-sock laminated to Kevlar to protect the foot from heat transference through the sole of the boot Top Sock Anti-bacterial Energiser top sock with anti-microbial properties Midsole Anti-penetration midsole available – 42604 (MTO) Toe Cap Steel Sole Dual Density PU/Rubber Sole (Heat-resistant up to 300°C) NRCS/9002/287766/0315 SANS / ISO 20345