Built on an ultra-springy, ultra-responsive Nike React foam sole, this lightweight running shoe delivers comfort that keeps up with you at any distance. Signature Flyknit brings targeted support and flexibility to the upper, with a stretchy inner sleeve providing a foot-hugging, stay-put fit. Ergonomically shaped grooves in the tread flex naturally with your stride, providing a neutral, distraction-free ride mile after mile. Style Name:Nike Odyssey React 2 Flyknit Running Shoe (Women). Style Number: 5673221. Available in stores.