N-Tex Vented Neoprene for compression and therapeutic warmth and healing. Anatomical Contoured Sleeve Compression Fit, Tapered Inner/Outer Thigh Design, No-Slip Silicone Gripper Pattern Lining, Convenient Finger Tabs offer easy grip pull when fitting, Lycra Binding for comfort and long lasting wear, N-Tex Vented Neoprene, Measure thigh circumference 9" = 23cm above the center of the knee cap (patella), Thigh Inches 18.75–20.25, Thigh CM 45–48.3