Custom Bracing

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Why Custom?

Because one size doesn’t fit all. And it definitely doesn’t fit you – because no one moves the way you do. DonJoy® custom knee braces are built to keep up with every move you make. They fit like they‘re built just for you – because they are. A specially trained bracing expert will personally measure and fit you. Using our advanced proprietary algorithms, we custom-make your brace with ultra-strong materials and quality craftsmanship to help protect you everywhere you wear it. So you can rehab, train and play with confidence.


FourcePoint HingeDaniel E. Cooper, M.D. - Orthopedic Surgeon, The Carrell Clinic


Four Points of LeverageDaniel E. Cooper, M.D. - Orthopedic Surgeon, The Carrell Clinic

DonJoy is the choice of many top professional athletes and the most prescribed custom brace in sports. Why would you wear anything else?

4 Points of Leverage®

Run, jump, cut back or hold up. DonJoy’s 4-Points-of-Leverage System has you covered.

Clinically proven1 to help decrease ACL strain by at least 50%, our groundbreaking technology combines rigid anterior thigh and posterior calf cuffs with a strategic strapping sequence. This innovative design pushes the femur anteriorly and applies an active constant load to prevent anterior tibial translation and protect the ACL.


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FourcePoint® Hinge

Get additional ACL protection with NO significant performance limitations.

DonJoy’s FourcePoint Hinge uses clinically tested hinge technology2 that helps train the knee to flex and increases flexion angles during cutting and jumping. Resistance engages in the last 25 degrees of extension to help keep the knee out of the at-risk position. And training effects are retained by about 50% even when you’re not wearing the brace.


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The perfect balance of weight, strength and profile

Our A22® brace features a specialized titanium alloy formulated for its strength and resistance to impact.


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Hollow Cross Section

Strong + Lightweight

Our Defiance® braces feature a custom carbon epoxy composite, with a hollow core, designed to optimize strength and stiffness, while remaining lightweight.


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Kevin E. Wilk, PT, DPT, FAPTAAndrews Sports Medicine & Orthopaedic Center


Dr. Jeffery R. DugasAndrews Sports Medicine & Orthopaedic Center


Dr. E. Lyle Cain, Jr.Andrews Sports Medicine & Orthopaedic Center


Dr. Walt LoweChairman and Professor, Department of Orthopaedic Surgery, University of Texas Medical School at Houston


The first and only all-titanium brace on the market strikes a perfect balance of strength, weight and profile. Constructed with DonJoy’s 4-Points-of-Leverage System and FourcePoint Hinge technology, A22 helps provide powerful customized protection in a lightweight, lower-profile design. Smart engineering aerodynamically integrates straps and liners to reduce overall profile without sacrificing strength, making it the ideal lightweight option to aid top performance.

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The undisputed market leader, Defiance is the name athletes know and trust. DonJoy's flagship knee brace has been the world’s leading custom knee brace for over 20 years. From elite professional athletes to middle-school soccer players, nearly 2 million Defiance braces have been prescribed to athletes of all shapes, sizes, ages and genders. Constructed of hollow carbon fiber for strength and protection, Defiance has the greatest strength-to-weight ratio of any knee brace on the market, weighing less than 20 ounces.

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  1. Robert Butler, PT, DPT, PhD, Boyi Dai, PhD, William Garrett, MD, PhD, and Robin M. Queen, PhD. Changes in Landing Mechanics in Patients Following Anterior Cruciate Ligament Reconstruction When Wearing an Extension Constraint Knee Brace. Sports Health Online, February 26, 2014.
  2. Silvers HJ, Mandelbaum BR. Prevention of Anterior Cruciate Ligament Injury in the Female Athlete. Br J Sports <ed. 2007; 41 (suppl):i52-i59