Refresh your workout routine in these women's training shoes. Featuring a flexible textile upper, energy-returning boost charges every step. A zip closure helps you get them on and off in an instant. Boost is our most responsive cushioning ever: the more energy you give, the more you get. Lightweight textile upper offers flexibility; zip closure for easy on and off. Adjustable forefoot and midfoot support. Free-floating arch under the midfoot for a sock-like feel; designed for the contours of a woman's foot. Non marking outsole made for optimal indoor use.