Ultimate Cold Weather Flat Pedal Shoe Don't let the elements keep you inside. Shimano's GF8GTX flat pedal trail shoe is designed for wet and cold days in the saddle. The shoe features Shimano ULTREAD GF rubber compound that is optimized for low temperatures, enhancing the shoe-pedal connection with maximum pin grip for increased confidence and control on technical trails. Sizing Notice * If your previous shoe model was a ME, please size down. * If your previous shoe model was an AM, please keep the same size. Features The GF8GTX flat pedal-optimized trail shoe is built to stand up to cold and wet weather, while still delivering total control on technical downhill terrain Cold-Weather Ready: BOA closure with bash guard allows for easy operation with winter gloves, while integrated sock-style upper equipped with waterproof GORE-TEX liner keeps elements at bay Optimized Outsole: Low temperature-specific ULTREAD GF rubber compound delivers optimal performance in cool and cold weather, enhancing pin engagement and shoe-to-pedal connection TORBAL 2.0: Unique midsole structure allows heel section to move torsionally, maintaining full range of motion for improved rider comfort, fluidity, and on-bike control Volume Trail Last: Tuned upper is tighter around ball of foot for enhanced control and pedaling efficiency, and has increased volume at the toe box and heel for improved walking comfort and shock absorption Secure Connection Specially-formulated ULTREAD GF outsole utilizes a sticky, slow rebound, low temperature rubber compound that delivers optimal deformation performance in cool and cold weather conditions, enhancing pin engagement and shoe-to-pedal connection. Wide sole profile with hexagonal tread block pattern increases multi-direction stability for increased confidence and control in technical, rugged terrain. Total Protection Heavy duty synthetic leather upper, asymmetrically raised padded ankle collar, and sidewall sole protect against rock strikes and other trail impacts. Integrated sock-style upper employs waterproof GORE-TEX liner to keep elements at bay, while mid-cut ankle cuff keeps trail debris and mud out.