BSN Medical Breathable Universaltri-Panel Foam Knee Immobilizer Blue Universal Designed to lock the knee in extension and prevent motion of the joint, the Breathable Universal Tri-Panel Foam Knee Immobilizer provide lateral and medial stays to increase stability in the knee.The brace is made with blue perforated mesh material laminated to a light gray, very soft medical grade foam to provide patient knee stability as well as breathable comfort to the leg. Features :- Adjustable fit - Adjustable side panels allow immobilizer to fit a range of sizesComfortable and breathable - Perforated mesh material laminated to a smooth and soft medical grade foam allowing air circulation and comfort for the leg/kneeLoop closures - Easy-to-use loop and lock closures for a safe and snug fitUniversal size - Size fits between 13 inches to 26 inches