Professional Knee Supports: Knee braces offer stable pressure across your knee joint, offer optimal muscle support between workouts and during casual everyday activities. Getting the right size is important. Please don't guess your size or assume a certain size will fit you. It takes less than a minute to measure. XL: 45-51cm, Anti-slip and Comfortable: our knee sleeve not only has fully adjustable straps that can be attached to any exterior point, but also has 2 waves silicone at the top cuff to increase friction. The high quality fabric featured in Breathable & Sweat-Absorbing gives you a smooth and soft feel so you can wear them all day long! The knee braces fit for both men & women, kids and adults. Knee Sleeve provides all day support, could help alleviate pain from those suffering from arthritis, bone bruises, osteoporosis, tendonitis, swelling, and general knee soreness from everyday activity. If you need knee supports for an ACL, MCL, or PCL sprain or meniscus tear, choose our knee support. And they Wash Well! Enjoy Your Activities: Knee support is the perfect fit for any activity that involves a great amount of stress on the joints like Baseball, Basketball, Cross Fit, Soccer, Football, Golf, Gym, Jogging, Walking, Hiking, Running, Cycling, Tennis, Volleyball, Dancing and more! You'll be able to enjoy exceptional knee sleeves while still maintaining your peak performance and a full range of leg motion!