*Shaft measures approximately 12" from arch
*The Lasting Board binds the upper and lower parts of MBTs together.
*The Shank provides firmness to the sole and also ensures the foot¡¯s natural rolling movement and optimizes pressure distribution over the whole sole.
*The PU Midsole with Pivot triggers an active rolling movement and exercises a large number of stabilizing muscles throughout the entire body when walking or standing.
*The Masai Sensor creates natural instability, to which the body responds with increased muscle activity.
*The rubber Outsole protects the Midsole. mbt shoes sale