Rubber sole A full-length carbon fiber plate creates a responsive feel that keeps you moving through your stride. A redesigned upper uses mesh fabric placed in areas where you need breathability. The result is a softer, cooler design that conforms to your foot. Reinforcement along the forefoot provides extra durability & secure comfort. Internal foam pod at the heel gives you extra cushioning. Light padding on the tongue helps reduce lace pressure at the top of your foot. The laces loop through lightweight side supports that eliminate the need for an arch band, which helps reduce the shoe's weight. water_resistance_level: not_water_resistant Continue the next evolution of speed with a racing shoe made to you help chase new goals and records. It helps improve comfort and breathability with a redesigned upper. From a 10K to a marathon, this model, like the previous version, has the responsive cushioning and secure support to push you towards your personal best.