Style#: FZ3086-500 Updated Flyknit upper and a water-resistant membrane help keep you dry New ReactX foam in the midsole for extra cushioning Waffle outsole for durable traction on the roads Ultra-comfortable collar and tongue for a soft, snug fit The winterized Nike InfinityRN 4 offers superior cushioning for comfortable runs, day or night. Enjoy a soft, rocker-shaped platform featuring new ReactX foam, along with an ultra-comfortable collar and tongue for a snug fit. Additionally, reflective paint on the midsole and upper enhances visibility during your runs.