Ergonomically engineered to help optimize your body's alignment, natural movement and energy. Features a light pressure-diffusing Microwobbleboard midsole with triple-density cushioning that follows the 3 footstep stages: firm heel, soft middle, and medium at the toes. Offers natural arch support and a standard width fit, ensuring it runs true to size. Grip level 1 is suitable for everyday use and road tread.