Affordable performance of our PowerTruss composite sole mated to the dialed fit of a Boa closure. Constant comfort. Subtle strength Feel the subtle effects a reliable shoe can have on your riding. Specter shoes are elegantly simple with a refined design accompanied by an understated price. - inForm Race last offers a slightly roomier, high-performance fit - Nylon composite Bronze Series sole - PowerTruss sole design improves stiffness without adding significant weight - Boa IP1 dial for precise, two-way adjustment - Stiffness index 8 of 14 - Synthetic uppers with flow-thru mesh panels - Compatible with both 2-bolt, SPD-style and 3-bolt cleats