COMPRESSION & SUPPORT: This advanced brace improves medial and lateral stability helping to reduce knee injury and aid in knee recovery. The Polycentric Hinges and Cross Straps deliver added compression with high-level knee and knee ligament support. BREATHABLE DESIGN: The open 360 degree padded buttress isolates and supports the patella. The Bi-lateral geared polycentric hinges provide stability and free movement with bound edges to prevent irritation. IDEAL FOR ANY SPORT, ACTIVITY: Perfect for Walking, Running, Hiking, Soccer, Biking, Basketball, Football, Baseball, Volleyball and more. The perforated back panel provides heat and moisture management for all-around comfort. HSA/FSA Eligible. FITS LEFT OR RIGHT KNEE: Easy on, easy off with reinforced pull tabs make brace easy to put on and take off fitting either leg, the left or right knee. GAME-CHANGING ADVANCEMENTS: McDavid is the First-On-Last-Off choice for athletes looking to enhance performance, increase protection, and accelerate relief and recovery, striving to be a must-have factor in every athlete's training and competition.