Shimano GR5 mountain bike shoes allow you to pedal flat on any terrain. The cleat-free bottom of the patented rubber outsole gives you optimal grip on the flat pedals and a comfortable gait for communicating with the crew after your ride.. Sticky rubber outsole provides tread pattern which fits well with the pins on flat pedals providing confident stability as well as keeping you and your bike upright when you have to put your foot down during sharp turns. Internally, an optimized tailplate provides just enough rigidity to efficiently transfer power between you and the pedal. EVA midsole provides cushioning allowing your foot to feel comfortable on and off the bike and the upper part of the shoe provides sufficient air flow protecting your foot from overheating. Comfortable lacing ensures even pressure and allows you to wear the shoes as tightly as possible. , and freely.