Corflex –13″ Cooltex Anterior Closure Knee Wrap OP Pop wHinge–. 13″ Cooltex Ant CL Knee Wrap Splint wHinge, Small, Left or Right. New Premium Corflex Knee Brace. Corflex Model Number: 86-1303-000. Fits the following kneeleg circumference:6″A(16-17) Mid(12-14) 6″B(11-12).