Xx-large Fits Knee Circum. 17 - 18.25 (measure Slightly Bent Underneath Knee Cap) Wrap Design With Velcro Closure And Open Patella Means Comfort For Tenderness Or Bruising On The Kneecap Has Full-length Anterior Opening Popliteal Cut Out And Unrestricted Knee Flexion Side Spirals Give Additional Support Captures Body Heat & Increases Blood Flow Allows Skin To Ventilate & Release Moisture Measure Slightly Bent Underneath Knee Cap Color: Beige Hcpcs Description: Knee Orthosis Elastic Knee Cap Prefabricated Includes Fitting And Adjustment