Full grain/action leather upper with highly breathable aero mesh for ultimate comfort. The mesh will allow your feet to breath keeping you feeling fresher for longer. Durable composite non metallic hardware. Spider mesh lining. Made in the formation of a running shoe last to enable you to run with the comfort of lightweight shoes rather than these hardy robust boots. Slip resitant vibram outsole, delivering thrust lugs - sharp trailing edges that propel you forward, for great traction, forerfoot flex grooves which increases agility and comfort and reduces fatigue, Also with braking lugs, sharp leading edges for confident stopping power.