Firm support for arthritic and injured knees. 360 degrees targeted compression. 4-way active stretch knit. Not made with natural rubber latex. Moderate support level. Size SM/MD fits left or right knee. Sizing: Measure around center of knee across kneecap 12.0-15.5in/30.4-39.3cm. 4-way active stretch. Breathable material. Lightweight material. 4-Way Stretch Knee Support: Circular weaving produces targeted compression vertically and horizontally, Softer feel, will not leave skin indentations, Multi-level knitting reduces bunching behind the knee, Custom knit pattern surrounds knee cap and reduces pressure on the patella, Antimicrobial(Antimicrobial treatment is intended to protect the brace and does not extend protection to the skin.). For over 50 years, Mueller Sports Medicine has stayed close to the changing needs of athletes, be they weekend warriors or international superstars. The mission never changes: Help athletes stay in the game and perform at their peak. Moderate support level. See our details on our website. For questions or comments visit muellersRx.com or call 800-356-9522. 606-643-8530. www.muellersportsmed.com. www.cepartner4eu.eu. Please recycle. CE listed. OSHA Hazard Pictograms. Made in China.