Mueller Sports Medicine breathable open patella knee sleeve helps support sore, weak, injured or arthritic knees and helps improve circulation to assist in healing and increased joint flexibility. Slide on/off design for an easy fit with finger pulls for easy grip. Contoured shape fits left or right knee. It comes with anatomically shaped patella opening with additional buttress support. Neoprene blend provides even compression and soothing warmth. Perforated neoprene for added ventilation. Side air mesh panels for added breathability. Soft-touch printed liner. Extended for a better fit. Antimicrobial treatment helps control odors. which all other hinged knee braces are judged. It closely simulates the natural tracking of the knee joint. Recommended to help control sublaxating patellas and to help relieve pain associated with Chrondromalacia (irritated kneecap). The Mueller-exclusive HydraCinn fabric is the moisture-wicking catalyst for maintaining superior support with heat management. The base sleeve is made of antimicrobial fabric that is uniquely breathable, extremely soft to the touch with flatlock seams and features a conforming hourglass design. Inner grip strips complete the anti-sweat/non-slip design to help prevent brace migration and preserve high-performance support. Fits right or left knee. Available in multiple sizes.