Provides support and compression to weak or injured ankle joint.... Helps reduce swelling or prevent stiffness after injury.... Velcro® strapping open heel design for comfort and easy application, fits comfortably in any type of athletic or street footwear.... …SPECIFICALLY DESIGNED FOR A RIGHT OR LEFT FOOT... Size: Measure circumference just above the ankle bone.... 11.4-14.9cm-XS.... 15.2-20.3cm-S.... 20.6-25.4cm-M.... 25.7-30.5cm-L.... 30.8-36.8cm-XL....