Double Jacquard Mesh- Highly breathable fabric that regulates the temperature of the shoe. Synthetic Heel Wrap- Provides increased support and stability to the heel. Bootie Construction with Engineered Mesh- Offers a custom-like fit that secures the foot. Traditional Lace System- Secures the midfoot for a locked in feel. FreshFoam Technology- Offers flexible cushioning that prevents pressure placed on the foot.