A professional silhouette with serious physiological benefits, the MBT Sapatu features a full-grain leather upper perfect for work attire. The unique sole construction of MBT creates a natural instability that activates muscle groups needed to stabilize the body when walking or standing. Wearing MBTs activates neglected muscles, improves posture and gait, and tones your whole body. These shoes can even help with back, hip, leg and foot problems.