The Sport 2 by MBT is the Updated Version of the Sport Low Sneaker with a New Smarter Look. Single-Layer Mesh on the Upper Provides Better Airflow. MBT - The First Physiological Footwear Creating a Positive Effect on the Whole Body. The Sole of the MBT Features the Masai Sensor, Rocker Shaped Midsole, and Glass Fiber Shank. These Forces Work Together Creating a Natural Instability. The Body Automatically Reacts by Increasing Muscle Activity; Strengthening Foot, Leg and Back Muscles With Every Step. Please Order 1/2 Size Up. Generous Medium Width.