Lightweight and breathable microfiber leather provides optimal fit and top-notch comfort for the entire ride. The expertly crafted heel cap with torsion protection ensures optimal foot positioning during strong acceleration. Two flat Boa Li2 dial closures allow for quick and precise fine-tuning. The sleek, flat cross-lacing system ensures an elegant fixation of the forefoot. The integrated, seamless midsole and upper construction offer unparalleled fit, stability, and lightness. Shimano's top model in the S-Phyre line is an uncompromising racing shoe, tailor-made for road cyclists. The 360° enveloping, one-piece construction sets new standards in fit, pedaling stability, stiffness, and weight reduction. The shoe adapts to your foot, not the other way around. The front side features reinforced and flexible mesh fabric that conforms perfectly. The external heel cap stabilizes the foot during explosive movements such as sprints or high cadences.