Engineered to meet the demands of any cross-training routine, this high-impact shoe sits on responsive Nike React foam that returns every step as propulsive energy. A toggled-drawstring top cinches the breathable Flyknit upper for a fit that's both comfortable and dynamic. The serrated sole stays flexible in the front and sturdy in the heel, with the tread wrapping up both sides to give you multidirectional traction for climbing ropes, pushing sleds or sprinting through circuits. Training: provides stability, cushioning and uninhibited range of motion for multiple exercises and activities Cushioning: absorbs impact and distributes weight for consistent, buoyant comfort under each step Pull-on sock upper with toggled drawstring Flyknit upper wraps your foot like a sock for a natural, snug fit that flexes with every movement Nike React foam sole turns every step into springy returned energy Removable insole Textile and synthetic upper and lining/rubber sole Imported Women's Shoes