FULLFORCE Knee Ligament Bracing – Prefabricated, Medium/Right. FourcePoint Hinge. Short Calf Length. ACL Ligament. Internally mounted swiveling strap tabs help accommodate leg movement. Created for all activity levels. Sleek low profile. For competitive and recreational athletes of all kind. 4 points of leverage system. Swooping thigh cuff for inner thigh clearance and bilateral brace use. Strong, lightweight aircraft grade aluminum frame. 1 year warranty on frame and hinges. Packaging: 1/Each.