Knee / Product spotlight
DonJoy Defiance
Custom ACL Bracing
Take a Closer Look.
DonJoy Defiance is a made-to-measure knee brace with a lightweight carbon-composite frame, contoured thigh and calf sections, side hinges and padded straps. Its low-profile construction includes a swooping thigh cuff, with manufacturer-listed hinge, strap and frame-finish configurations. The manufacturer's linked supporting literature also uses the Defiance III name.
- Custom-fabricated carbon-composite frame.
- Low-profile frame construction.
- Swooping thigh cuff.
- Padded straps and frame lining visible in manufacturer product photographs.
- Manufacturer-listed ACL, PCL and combined-instability strap configurations.
- Manufacturer-listed FourcePoint, standard low-profile and DropLock hinge options.
- Manufacturer-listed custom frame colors and graphics.
- Product family
- Orthopedic
- Category
- Knee
- Product support
- Befitting You Medical Supply
Product details and sizing stay here with BFY. This showcase is educational; your clinician guides product selection and use.
BFY / SIZING & FIT
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Product sizing information stays here with Befitting You. Our team can help confirm measurements and fitting requirements.
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DonJoy Defiance is made to measure rather than selected from standard S–XXL sizes. An in-person assessment by a qualified brace fitter is needed: the manufacturer specifies measurements taken with the CCMI Mark III device or a weight-bearing cast. Its custom fitting form records thigh and calf dimensions, knee width and lateral offset, and states that these measurements are not equivalent to off-the-shelf brace measurements. Published custom measurement limits differ between the product page and its linked Defiance Classic form, so BFY does not provide a self-sizing chart here. This is a nonordering showcase; do not submit personal measurements, leg photographs or medical documents.
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