Our patented design knee sleeves are comparable in strength to a light knee wrap, but with the convenience and comfort of leaving them on throughout the entire workout. The Strong Knee Sleeves provide compression with a strong rebound to allow a lifter to take on max weights with confidence. DISCLAIMER: White shows dirt/sweat easily. Refraining from laying the white side on the ground will help prevent marks.  7mm thick Level 3 compression to support max effort Provides Sling Shot® effect to lift more weight Provides support and warmth in more dynamic movements Can be worn for any exercise or during your entire workout Stiff and secure prevents sleeve movement once on your knee Patented design creates a comfortable fit by removing seams from the front and back of knee sleeves The best selling sleeves on the market Sold as a pair Patent Number: 785,190 IPF/USAPL/USPA Approved Size Comfort Fit (in) Competition Fit (in) XS 11 - 12 in 12 - 13 in S 12 - 13 in 13 - 14 in M 13 - 14 in 14 - 15 in L 14 - 15 in 15 - 16 in XL 15 - 16 in 16 - 17 in 2XL 16 - 17 in 17 - 18 in 3XL 17 - 18 in 18 - 19 in 4XL 18 - 19 in 19 - 20 in *Measure around the center of your knee with a straight leg.