For a custom fit designed to support the female fit, look no further than the adidas Pure Boost X ATR, now featuring an aggressive outsole that grips any surface in any weather. techfit upper for a socklike fit that allows natural movement and flexible support. Floating arch construction hugs the foot like a sock and allows natural movement. Full-length boost™ foam returns energy with every step, propelling you forward on your run. TR outsole works like winter tires, providing durable traction on any surface. STRETCHWEB rubber outsole is lightweight and elastic, allowing boost foam to expand at impact. Wt. 7.7 oz.