Upper Full grain leather 2 pull straps for ease of entering and exiting the boot Lining 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)