DonJoy Defiance Custom Knee Brace

Defiance

Custom Knee Brace

US Ski Team  US Snowboarding Team  US Free Skiing Team  US Lacrosse  PFATS
Defiance Knee Brace

With clinically-proven technology including the 4-Points-of-Leverage System™

DonJoy's flagship custom knee ligament brace.

For weekend warriors to elite athletes, Defiance III is the strongest of DonJoy’s functional knee braces.

Custom Adjustable OA Defiance

Extremely lightweight, durable support for moderate to severe levels of osteoarthritis.







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.


Full Contact, All-Weather, extreme mobility

Contact and non-contact sports The Defiance III is DonJoy's flagship custom knee ligament brace, offering a perfect, custom-made fit for every athlete. For weekend warriors to elite athletes including extreme surfer Garrett McNamara and Motocross racer Brett Metcalfe.

Unrivaled Injury Protection

FourcePoint Hinge

Reduces the amount of time your knee is in an "at risk position by increasing the posterior load applied by the brace on the tibia.

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4 points of leverage

This patented technology was developed to reduce the strain on the ACL by distributing the load placed on the ligament via four points.

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Custom Fit

Manufactured to your exact measurements, which means the components of the brace align perfectly with your body ensuring maximum protection and comfort during movement.

Carbon Fiber Frame

Unbelievably strong and lightweight. Get the protection you need without feeling like you're being weighed down by your brace.

Clinically Proven technology


Prevention (non-contact)

Reducing the risk of ACL injury to the contralateral knee

Wearing NO knee brace (results at 6-12 months post-op)

  • 20% deficit in joint mechanics
  • Asymmetry of mechanics on both knees

Wearing a knee brace with FourcePoint hinge technology

  • Improved joint mechanics on BOTH the surgical and non-surgical knees for enhanced symmetry
  • Improved mechanics caused BOTH knees to ach more symmetrical Increased peak knee flexion velocity of BOTH Knees

Prevention (non-contact)

Reducing the risk of non-contact ACL injury

Wearing NO knee brace (results at 6-12 months post-op)

  • Reduced ACL injury reduction rate while training in brace with FourcePoint hinge
  • Training effect (increased flexion angles) retained by about 50% while not wearing the brace
  • Training in a single (ONE leg brace) with FourcePOint hinge technology result in a 60% decrease in non0cantact ACL injury rate in both knees.

Wearing a knee brace with FourcePoint hinge technology

  • Improved joint mechanics on BOTH the surgical and non-surgical knees for enhanced symmetry
  • Improved mechanics caused BOTH knees to ach more symmetrical Increased peak knee flexion velocity of BOTH Knees


ACL Strain Reduction,
Improved Joint Mechanics,
Increased Flexion Angles,
Significant Reduction in ACL Injury Rate2,3

By combining 4-points-of-leverage with our FourcePoint hinge, DonJoy’s bracing line offers the most widely accepted and clinically-proven solution.

It’s the powerful combination of performance and peace-of-mind that separates DonJoy from others and continues to make DonJoy the #1 brace company worldwide.


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