Shimano SH-RC903 Women's S-Phyre Bicycle Shoes Every Watt Counts The RC903 Women's S-Phyre sits at the top of the road shoe lineup, shaped around a last designed specifically for women's foot geometry. It runs lower in volume and narrower than the unisex model, delivering a more precise hold from heel to toe. The 360deg surround wrapping upper wraps the foot in a single continuous shell rather than closing down the middle, so there's no tongue bulk pressing on your instep. Two BOA Li2 dials control a crossover lace pattern that lets you dial in forefoot and midfoot tension independently, on the fly. The DYNALAST carbon sole is tuned to your foot placement throughout the pedal stroke, keeping tension out of your calves and hamstrings over long efforts. If you want a race shoe that fits the way a women's foot actually works, this is it. Features Women's-specific last lower volume, narrower fit shaped to women's foot geometry for a more precise hold DYNALAST carbon sole, stiffness index 12 maximum stiffness rating transfers power directly to the pedal while reducing fatigue over long rides360deg surround wrapping upper microfiber leather and mesh construction wraps continuously around the foot, eliminating tongue bulk and pressure points Dual BOA Li2 dials with crossover lacing bidirectional micro-adjustment controls forefoot and midfoot fit independently, adjustable while riding Anti-twist stabilizing heel cup locks the heel in place during hard accelerations and sprints to prevent movement under load Vented sole and perforated upper fore and aft sole vents combined with mesh and perforated microfiber keep airflow moving in hot conditions Integrated seamless midsole and upper construction unified build reduces weight and improves fit consistency across the shoe SPD-SL and 3-bolt Look-compatible sole works with standard 3-hole road cleat patterns | Shimano | Sh-Rc903 Women's S-Phyre Bicycle Shoes | Size 36 In White