Exustar SR473KA Carbon Road Shoes. Not only do the Exustar SR473KA Carbon Road Shoes provide all of the elements essential in a high performance road shoe, they're a remarkable value as well. The shoes feature a carbon fiber nylon composite sole for exemplary stiffness and minimal weight while the built in Air Control vents ensure your feet stay cool. The Smooth Form, non stitched leather upper with breathable mesh delivers remarkable comfort with the Microlock M2 buckle closure and twin Velcro straps ensuring a precision fit. The Microlock M2 buckle is not only light and strong, but it's adjustable between two positions to further customize the fit. And when you find yourself off the bike, non slip pads on the sole deliver plenty of traction.