4-WAY STRETCH KNIT ANKLE SUPPORT INTENDED USE: Provides support and protection to weak, injured, or arthritic ankles. FIT: Size L/XL. Can be worn on the right or left. FEATURES: Thermo Reactive Technology fabric additive absorbs and reflects your own body heat to help improve recovery time. FABRIC: 4-Way Stretch Premium Knit Ankle Support with Thermo Reactive Technology moves with you. TRUSTED BRAND: Mueller Sports Medicine has been a trusted leader in sports medicine for over 60 years and is committed to helping you reduce pain