DonJoy Custom Adjustable OA Defiance DonJoy's® premier Custom OA product. It is designed for the active OA patient, is extremely lightweight, and provides durable support for moderate to severe levels of osteoarthritis. The bilateral hinge bars offers support for ligament instabilities and work in conjunction with a patented telescoping condyle pad which puts the load control in the hands of the patient. Ideally suited for patients with active lifestyles or athletes.

DonJoy Defiance®

The custom Defiance is DonJoy's flagship knee brace. With clinically-proven technology including the 4-Points-of-Leverage System™ plus innovative, high-tech materials and design, this lightweight brace provides durable support for moderate-to-severe ACL, PCL, MCL and LCL instabilities. Plus, the low-profile design fits comfortably underneath clothing and sports uniforms, including hockey and football. As the strongest of DonJoy's functional braces, the custom, carbon composite Defiance is recommended for high-collision sports, while its featherweight materials and custom fit also make it the brace of choice for activities of daily living. Available with the LoPro FourcePoint Hinge, the only hinge clinically-proven to protect the ACL. Defiance technology is on the field, on the court, on the slopes and in the water protecting knees and providing confidence to those who wear it. First introduced in 1992, DonJoy has produced more than a million braces.

DonJoy Defiance® Pro

The Undisputed Market Leader

DonJoy’s Defiance® has been the world’s leading custom knee brace for over 20 years. Over 2 million Defiance braces have been prescribed to elite professional athletes, middle-school soccer players, and athletes of all shapes, sizes, ages and genders.

Now, Defiance PRO pushes our dominance even farther, boasting the greatest strength-to-weight ratio of any knee brace on the market.

Professional athletes choose Defiance PRO for the ultimate confidence and freedom to move.