Fits knee 15-1/4 inches to 18 inches. Moderate support. With side stabilizers. Comfortable support and protection. Helps to relieve pain. Easy to use. Nascar officially licensed. 1. Reinforced edges for durability. 2. Durable material provides comfortable support and protection. 3. Contoured to natural bend of knee. 4. Seamless design. 5. Flexible side stabilizers help to provide support. Ace Brand knee brace with side stabilizers provides medial/lateral support and stability, simulating the action of the natural knee ligaments without restricting normal knee movement. The open knee design surrounds the knee-cap, providing added stability and minimizing slippage. The Ace trademark is your assurance of superior quality, support and comfort. 3M guarantees customer satisfaction. Support levels. Moderate: Designed to provide moderate support and compression during activities and should be worn as needed. Made in USA.