Spritech(TM) Leg Compression Sleeves Healthy Medical Stretch Hose for Men and Women XL Increases blood flow throughout the lower leg and is extremely effective for the treatment of varicose. Prevention of bedridden patients of lower extremity deep vein thrombosis Moderate strength compression helps prevent swelling, soreness, and cramping without causing discomfort. Reduces muscle fatigue, especially if on your feet for long periods of time, or traveling Size:XL. Fit for Calf circumference:38cm to 42cm/15" to 16.5"