A tough synthetic leather upper complete with low-profile armor give the Shimano M161G Mountain bike shoe the strength needed for off-road madness. When you find yourself slogging over the unrideable, a roomy Volume+ last, aggressive traction lugs, and flexible mid-sole gets the job done without torturing your dogs. Tough synthetic leather upper with built-in abrasion protection offers excellent durabilityGrippy rubber outsole with optional spike mounts provide traction in varied conditionsCarbon reinforced polyamide sole for rigidity and efficient power transferComfortable shock-absorbing EVA insole cushions foot during hike-a-bikesMicro-adjust buckle and dual offset straps prevent hot spots