Ride feet first through rough and twisty trails with Shimano GR903 mountain bike shoes ready to shred the bike park day after day. The GR903 is great for riding over large terrain thanks to its durable construction designed for riders who love to push the boundaries of what is possible. Durable top, protection there where needed, and breathability to prevent your feet from overheating - these are just some of the features who make the new Shimano flats gravity-rated, fan favorites.