Zamst SS-1 Lower Leg Brace Sport Support Medial Tibial Stress Syndrome 477700 a-Fit - Anatomically correct support for right or left body part. Grip-Tech - Anti-migration prevents slipping during activities Flyweight Tech - Advanced material fabrication with lightweight construction i-Fit - Open panel design with adjustable fasteners provides individualized fit, enhanced comfort and variable compression levels ROM-Tech - Pre-curved design to provide full Range of Motion for maximized performance levels V-Tech - Ventilated flow through design keeps you cool while in motion. P-Tech - Dissipates tendon pressure