HINGE TECHNOLOGY AND FOUR-POINT LEVERAGE SYSTEM TO STAY OUT OF THE "AT-RISK" POSITION. ANTI-MIGRATION TECHNOLOGY TO PREVENT SLEEVE MOVEMENT. REFLECTIVITY FOR ENHANCED VISIBILITY IN LOW-LIGHT CONDITIONS. COMPRESSION AND THERMAL HEAT REGULATION. ADJUSTABLE STRAPS FOR A MORE SECURE, PERSONAL FIT. Designed to Support and Protect ACL, MENISCUS OR PATELLA INJURIES. JOINT INSTABILITIES. MODERATE LIGAMENT AND TENDON SPRAINS. HYPEREXTENSION Best For ACTIVE INDIVIDUALS. SPORTS SIMILAR TO: FOOTBALL, SOCCER, SKIING/SNOWBOARDING, BASKETBALL, LACROSSE, VOLLEYBALL. The Bionic Fullstop Knee Brace can be Used to Treat or Prevent the Following Knee Injuries ACL and Meniscus Injuries. Joint Instabilities. Moderate Ligament and Tendon Sprains. Hyperextension Patella Support The Bionic Fullstop Knee Brace Benefits Increase circulation. Improve heat regulation. Compression Joint and ligament support. The Bionic Fullstop Knee Brace Instructions Pull up over knee so knee is in the center of the opening. Wrap and secure straps for personal fit. Adjust as needed. The Bionic Fullstop Knee Brace Care After usage, we recommend you rinse it with fresh, clean water and let it air dry. Our most stable line of sport performance bracing products, the BIONIC FULLSTOP provides the ultimate ACL protection for post-op recovery and injury prevention. Easy to put on and designed with adjustable straps for a more personal fit. Size Chart & Fit Help Measurement taken at the center of the knee (directly over patella) Circumference Thigh (Above knee 15cm) Knee Center Calf (Below knee 15cm) XS 13.0''-15.5'' 12"-13" 10"-12" S 15.5"-18.5" 13"-14" 12"-14" M 18.5"-21" 14"-15" 14"-16" L 21.0"-23.5" 15"-17" 16"-18" XL 23.5"-26.5" 17"-19" 18"-20"