Design: Women's specific fit 3-bolt road cleat & SPD compatible In-Shoe Comfort: Perforated synthetic leather upper is durable and breathable BOA(R) Fit System with L6E reel and forefoot strap allows for zonal fit adjustments Soft TX lace guides eliminate pressure and hotspots Durability and Traction: 1:1(R) Composite Power Plate with carbon fiber forefoot insert provides stiffness and added durability with a stiffness rating 8 EVA foam and rubber heel bumper gives stability and walking comfort