High-grade synthetic leather uppers are supple enough for comfort and engineered for breathability. Injected nylon soles efficiently transfer power to pedals. Classic 3-strap rip-and-stick closures ensure a solid, secure fit. Built on a narrow last for an improved, women-specific fit. Molded EVA footbeds with medium arch support discourage arch fatigue an enhances comfort. Aegis(R) anti-microbial treatment helps keep odors at bay. Lugged outsoles offer traction on trails even when you're off the bike. Accommodate steel toe spikes (included) for additional traction on muddy or loose surfaces. Built on a cycling-specific last, the Giro Reva bike shoes enhance fit by providing a close-to-the-pedal feel.