TuffWraps® 7MM X-Training Knee Sleeves (SOLD IN PAIRS) are TUFF heavy-duty sleeves that provide an undeniable level of maximum joint compression to promote better blood flow. Experience support, warmth and reduce any unnecessary strain on your knees.  TUFF Knee Sleeves are perfect for squats, olympic lifting and CrossFit training.  GEAR SPECS SOLD IN PAIRS! High-grade neoprene material Thickness : 7mm Reinforced seams for prolonged life Provides joint compression and warmth Reduces pressure and swelling Regular use can relieve pain and increase performance Size Options: S - XXL (see chart below) SIZE CHART How to Size: Measure circumference of the knee (mid-patella) in a locked position (muscles must be relaxed). Unisex sizes. S 11.8 in. - 13.0 in. M 13.0 in. - 14.2 in. L 14.2 in. - 15.7 in. XL 15.7 in. - 17.0 in. XXL 17.0 in. - 18.3 in. *If you prefer a tighter fit please order one size smaller than your measurement.