Relieve soreness, speed recovery and improve flexibility with CopperWear ankle, elbow and knee compression supports. Revolutionary performance nylon, woven with heat-conducting copper fibers, provides comfortable compression, helps reduce swelling and increases blood flow to help speed healing. Lightweight flexible design wicks away moisture and conforms to your joints and muscles for added support. Antimicrobial. Odor-resistant. Fits right or left. Copper/nylon/spandex. Machine wash and dry. Imported. Measure the full circumference at 5" above the center of the elbow or knee. Measure around foot, under your heel.