Defiance III – Custom made for YOU

bounce clinic, Chemist Knee Brace, bounce physiotherapy, ACL Knee Brace
Defiance IIIbounce clinic, Chemist Knee Brace, bounce physiotherapy, ACL Knee Bracebounce clinic, drummoyne physio, Knee Brace, ACL Knee Brace, Chemist Knee Brace

This is a specialised brace that requires individual fitting – please call 1300 784 724 to arrange your fitting

The DonJoy Defiance III knee brace is the most popular custom knee brace in the world.

This is our flagship brace – Every Defiance III brace is custom made to each person.

Ideal for – Skiing, snowboarding, motorsport, water sports, and all sports where superior support and control are needed. This brace has also been an excellent support and aid during rehabilitation from knee surgery.

The Defiance III provides unparalleled support and control for ACL, PCL, MCL, LCL & CI injuries at all levels of activity.

In fact, the Defiance III is worn by many professional athletes including members of the US Ski Team, Shawne Merriman of the San Diego Chargers, and World Champion Big Wave Surfer Garrett McNamara. The Defiance III is the strongest knee brace offered by DonJoy and is recommended for athletes participating in high collision sports, like football, motorcross, or skiing.

This brace is ideal for athletes who participate in water sports like surfing, wakeboarding, or kite surfing. People recovering from ACL and other knee ligament surgeries also use this brace on regular basis.


Wearing a custom knee brace means maximum support is applied where you need it most. When you order a DonJoy Defiance III knee brace, you will come into the clinic to have your own individual measurements taken.

Then DonJoy will custom manufacture a brace that fits your exact measurements. This perfect fit ensures the components of the brace align perfectly with your body ensuring maximum protection and comfort during movement.

By wearing a brace that is custom manufactured for your knee, you can play your sport with confidence because you know that you’re less likely to re-injure your knee.

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Product Description


  • Moderate to severe ACL or PCL instabilities
  • Post ACL or PCL reconstructions
  • ACL / PCL combined instabilities (CI)
  • MCL / LCL instabilities
  • Hyperextension



  • Custom Fabricated Based on Your Measurements
    The brace is manufactured to your exact measurements, which means the components of the brace align perfectly with your body ensuring maximum protection and comfort during movement.
  • Available in 3 Lengths
    The DonJoy Defiance is available in 3 lengths: standard, short, and a short calf version for ski boot clearance.
  • Four-Points of Leverage Dynamic System
    This patented technology was developed to reduce the strain on the ACL by distributing the load placed on the ligament via four points. Click here to learn exactly how the Four-Points of Leverage works.
  • LowPro ForcePoint Hinge Technology
    Makes you less likely to suffer from an ACL injury because it reduces the amount of time your knee is in an “at risk position”, enhances the Four-Points of Leverage by increasing the posterior load applied by the brace on the tibia, and improves your natural gait by applying progressive resistance before reaching a firm end point during movement.
  • Carbon Fiber Frame
    This brace is both unbelievably strong and lightweight. You get the protection you need without feeling like you’re being weighed down by your brace.
  • Anti-migration Supra Condyle Pad
    Your knee brace will stay in place no matter how active you are.
  • Swiveling Strap Tabs
    These tabs enable the brace to move with you.
  • Product Guarantee
    This knee brace comes with a lifetime warranty on the frame and hinges, and a 6 month warranty on the soft goods.


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