The Minimum Thigh Measurement Is 14 The Minimum Knee Measurement Is 12 The Maximum Knee Measurement Is 19 Universal Excellent Retail Packaging! Wrap Around Knee two Stay Pockets With Removable/movable Stays Reinforced Patella For Additional Comfort And Support Black Neoprene Warmth And Flexibility Fits Either Knee Maximum Thigh Circumference 24 Latex Free Includes 2 Adjustable Velcro Straps