Shimano Men's RC503 Cycling ShoeBoasting top of the line race technology, the RC503 is a high performance road cycling shoe without the high price tag. The breathable, lightweight upper provides all around comfort and a superior fit, while the carbon reinforced midsole delivers the kind of stiffness and stability youd expect from a high end cycling shoe. Best in Class Fit: Full surround laminated mesh upper is supple, durable, and integrates seamlessly with midsole for a snug and