When you are wearing this shoe, you are working your hardest. Fortunately for you, the Wave Bolt is jacked with all kinds of technology to keep you moving. Ventilation systems, shock absorption and Dura Shield for extra cushioning are just a few of the benefits. Intercool™ ventilation system removes heat and humidity from the shoe, making sure that your feet are the last thing to overheat. VS-1™ provides shock absorption and cushioning to keep you on your feet longer. Parallel Wave™ plate technology uniformly distributes shock throughout the sole, providing lightweight cushioning and enhanced stability. Sensor Point ™ suspension system connects Wave plate to the floor for increased traction and support. Dynamotion Groove and Dura Shield work together to increase flexibility and agility while protecting the toe from friction damage and minimizing forefoot instability. Wt. 8.4 oz.