NWT Nike Women's React Infinity Run Flyknit 2. Size 8M. Color: White/Gray/White. The Nike React Infinity Run Flyknit 2 is a women's running shoe that features a refreshed upper for style and support. It is made with Flywire technology in the upper mesh to provide support throughout the midfoot while running. The midsole is made with Nike's lightweight React foam, which is soft, durable, and bouncy. The shoe also has a wider toebox and heel, and an exaggerated heel-toe rocker geometry to help runners get their foot on and off the ground quicker. Excellent condition. Original box not included.