Conquer your toughest workouts with the Nike Flex Trainer 3. Lightweight synthetic and mesh upper provides breathability through a system of strategically placed vents and perforations. An injected Phylon midsole delivers all-over support in this women’s sneaker. Flex grooves in the outsole enhance flexibility and will allow for a full range of movement. These cross training shoes give the wearer the comfort she needs to get in peak physical shape for whatever sport she may play.