Adjustable Support: Our knee brace features an extended support strap with adjustable Velcro, providing personalized compression. Its open design ensures a secure fit, preventing slipping during activity.Comfortable & Breathable: Crafted from high-quality polyester fiber, our knee brace is skin-friendly and odor-free. The mesh design wicks away sweat and maintains comfort, while anti-wrinkle properties ensure lasting wear.Stability & Protection: Hidden elastic spring supports on both sides distribute knee pressure, effectively preventing injuries like meniscus tears and strains. It's your reliable companion for sports and recovery.Ergonomic Fit: Designed to match knee and leg curvature, our braces offer superior support from all angles. Separate left and right knee designs ensure a perfect, comfortable fit.Secure Fit with Dual V-Shaped Velcro: Our knee brace stands out with dual V-shaped adjustable straps, preventing slipping during activities. Its ergonomic design and center patella opening ensure a stable fit, offering superior stability compared to other products.Note: The package only contains one knee bracesM:Upper thigh circumference 33-41cm = 12.99-16.14 inchesL:Upper thigh circumference 37-45cm = 14.57-17.72 inchesXL:Upper thigh circumference 41-49cm = 16.14-19.29 inchesXXL:Upper thigh circumference 45-53cm = 17.72-20.87 inchesXXXL:Upper thigh circumference 50-59cm = 19.69-23.23 inches