Dominate the Terrain with the Shimano S-PHYRE XC903 The Shimano S-PHYRE XC903 is designed for riders who face the toughest conditions in cyclocross and MTB racing. With a refined and professional design, these shoes guarantee comfort and performance on any terrain. Quick and Accurate Micro-Adjustments The low-profile BOA Li2 double dial allows for precise micro-adjustment, ensuring a perfect, personalized fit. In addition, the armored lower dial is protected against accidental detachment due to impacts, offering additional security with each pedal stroke. ULTREAD Rubber Sole with Metallic Studs The lightweight SHIMANO ULTREAD XC rubber sole offers a highly technical tread pattern that creates excellent grip for competition. Removable claw-shaped metal studs allow riders to choose between lightweight performance or optimal traction, adapting to different terrain conditions. Upper Details for Maximum Comfort Lightweight, cyclocross race-fitted upper offers breathable comfort in adverse weather and terrain conditions. The sleek, low-profile criss-cross lacing pattern elegantly secures the forefoot, while the anti-roll stabilizing heel counter ensures optimal foot positioning for intense acceleration and high cadences. Optimal Ventilation A wrap-around upper with function-specific zones and scientifically optimized materials maximize fit and pedaling performance, ensuring your feet stay cool and comfortable throughout your run.