The Mueller Elastic Knee Brace features stainless steel springs for moderate medial/lateral support. The breathable elastic material has a soft interior lining for all-day comfort. Wear the Elastic Knee Brace to help reduce swelling without limiting mobility. Its wraparound design is used for adjustable compression and it is easy to take on and off. This product does not contain natural rubber latex. This Knee Brace is size Large / X-Large and fits sizes 16" to 20".