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Defiance III Custom Knee Brace

Manufacturer: DJO Canada
SKU: Defiance_III
Estimated Shipping: 3-5 days
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The Ultimate Knee protection program, Donjoy's flagship custom knee brace - Defiance III
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Defiance III Custom Knee Brace For Contact and Non Contact Sports


Extreme sports. Water sports. 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, Defiance III is the strongest of DonJoy’s functional knee braces. The custom carbon fiber composite is lightweight; the low-profile design fits comfortably under clothing and sports uniforms and is available in more than 40 frame colors and graphics. Defiance III incorporates swivel strap tabs plus a medial swooping thigh; a diagonal bend on the inside of the thigh section provides clearance for the other leg or for an object such as a gas tank, horse or another brace. 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; in college football alone, 22 of the Associated Press Top 25 teams use the Defiance knee brace.

Defiance III Knee Brace Indications:

  • Hyperextension
  • Moderate to severe ACL or PCL instabilities
  • ACL/PCL instabilities combined (CI)
  • MCL/LCL instabilities
  • ACL or PCL reconstruction
  • Prophylactic use


  • Backed by DonJoy's Knee Guarantee Program
  • Custom-made craftsmanship
  • Lifetime warranty on frame and hinges
  • Clinically-proven 4-Points-of-Leverage System
  • Custom fabricated
  • Swooping Thigh Cuff for inner thigh clearance and bilateral brace use
  • Strong, lightweight carbon composite frame
  • 24-hour turnaround time


  • Patented, clinically-proven FourcePoint hinge technology (stop kit not included)
  • Over 40 custom frame colors and graphics
  • Defiance III Extra includes reinforced carbon composite frame
  • Metal Caps - PowerCaps, metal strap tab caps (recommended for contact sports)
  • High strength stainless steel gears (recommended for contact sports)
  • ACL, PCL, or Combined Instability (CI) strap configurations
  • Standard Low Profile Hinge
  • DropLock Hinge


Each Defiance III brace is custom made. Measurements taken with CCMI Mark III or casted in weight bearing.

Minimum12.5" (31.8 cm)10.25" (26 cm)
Maximum38.125" (97 cm)26.25" (66.5 cm)

Sizing Info:

Once the brace has been ordered, it will be custom fitted by a DonJoy expert in your area. You will be contacted by the expert to schedule an appointment for your measurements. 

This option will not be possible for some remote areas.

Check for the available colors here