When you're giving it your all on tight, twisty singletrack, you want a shoe that can keep up with you. Enter Giro's Sica. These great mountain-biking shoes offer stiffness and lightness from Giro's Easton flat carbon soles that provide the perfect perch for your feet and a nearly direct connection to your pedals for maximum efficiency. The great women's fit is courtesy of the breathable microfiber uppers and Giro's included ergonomic and antimicrobial footbeds. Plus, the double hook-and-loop straps and ratcheting-buckle straps vary in width to provide the ultimate fit and feel. You also get padded heels and split tongues for additional comfort, plus aggressive treads for maximum walking traction.