Sustainable upper shoe with mesh fabric and midsole made from 36% recycled material (by weight) Fit-optimized cross-lacing and BOA® adjustment system for balanced comfort in the forefoot Integrated, seamless midsole and upper construction for unmatched fit, stability, and lightness The flat midsole stabilizes the foot and optimizes power transfer Lightweight, fiberglass-reinforced nylon sole for efficient power transfer, women's specific last for a natural, comfortable fit