Ultimate Pedaling Efficiency: The new carbon hollow core sole creates Shimano’s lowest stack height ever for maximum pedaling efficiency Precision Fit: The premium Japanese microfiber upper delivers a lightweight, breathable, and a seamless race-ready fit Race-Proven Comfort: SHIMANO DYNALAST 2.0 provides an improved fit with a wider forefoot and reduced toe spring for long-ride comfort Stability Under Max Power: The reinforced carbon heel structure minimizes twisting for maximum stability during high-power efforts SPD-SLR Adjustability: The extended SPD-SLR cleat adjustment range allows riders to fine-tune their optimal pedaling position Secure and Adjustable Fit: Dual BOA® Li2F dials with textile laces provide precise micro-adjustments and a secure wrap around the foot
