Knee Brace by Onager Sports FDA Approved One Size Fits Most Adjustable up to 21 inch Leg Circumference Light Flexible Neoprene Material Great Knee Protector and PERFECT FIT: This fully adjustable knee brace is designed to provide a comfortable fit for adults with a leg circumference between 11'' to 21'' inches above the knee. COMFORT AND SUPPORT: Fashioned from flexible neoprene material, your Onager Sports ACL knee brace and knee protector is sturdy without being bulky. And our specialized Side Lateral Stabilizers comfortably hold your patella in place for superior support! WON'T SLIP DOWN YOUR LEG: We've designed our Onager Sports knee brace with extra strong velcro fastenings and anti-slip gel interior. What this means for you is your knee support brace will stay in place whether you're out for a walk, jog, playing your favorite sport, and even during vigorous exercise! (Este apoyo de la rodilla tiene una fuerza increble velcro) MOISTURE WICKING MATERIAL: No one wants an arthritis knee brace that smells like an old gym sock. Yuck! Thanks to its moisture-wicking neoprene material, your Onager Sports knee brace keeps your knee nice and dry NOT sweaty and uncomfortable. Whats more, neoprene retains some heat which helps promote healing and reduce swelling & pain. LIFETIME GUARANTEE: We offer the ONLY knee support brace on Amazon that comes with a LIFETIME satisfaction guarantee. That's how confident we are you'll love your new Onager Sports knee support brace. Try it today RISK FREE while we still have some in stock!