FiveTen Hellcat Pro Women's: International competition standard DH/ Enduro SPD clip-in shoe Co-molded synthetic uppers Ventilated toe box and tongue Reinforced cleat recess Wrap-around toe-box protection Stiffer, cycling-specific unidirectional C-4 sole design Co-molded hook-and-loop retention strap Greg Minaar designed We recommend going up half to one full size as Five Ten shoes come up a little small