The RUDIS Wrestling Omni-Impact Knee Pad is designed for extreme durability, offering protection and comfort without unnecessary bulk. Its knit construction provides an unmatched fit, feel, and comfort. Made from moisture-wicking material, it keeps you dry during intense workouts.Sizes and measurements are as follows: S/M: Circumference: 10 inches, Length: 11 inches; L/XL: Circumference: 14 inches, Length: 19 inches* To determine your size, measure around your leg above the knee.