Designed to meet the unique needs of female runners, the adidas Ultra Boost X Parley features a seamless, sock-like Primeknit upper that fits like a glove, moving with your foot from heelstrike to toe-off as a true extension of your stride. The shoe's floating arch construction wraps the midfoot and delivers snug support where you need it most. The result is custom comfort and unique, head-turning style. The finishing touch? Full-length boost cushioning, which returns explosive energy with every stride, working as hard as you to achieve your running goals. Seamless Primeknit upper for a snug, sock-like fit that stretches and moves with your foot for a truly one-to-one fit. Floating arch is designed specifically to meet the needs of the female foot, wrapping the midfoot and delivering snug support where you need it most. Full-length boost midsole cushioning is ultra light and ultra responsive, absorbing the force of impact and returning that energy at toe-off, propelling you to a faster, more comfortable run. StretchWeb outsole construction adapts to your unique footstrike, allowing the boost midsole particles to freely expand and contract with the natural movement of your foot. Wt. 9.4 oz.