11-14XX-X 11-14XX-X 988.99

DonJoy Armor Knee Brace with FourcePoint Hinge

Strong and supportive off-the-shelf brace for contact sports with added ACL support via the FourcePoint Hinge.

This item requires custom fitting and is only available through your doctor with a prescription.


The updated Armor Knee with Fourcepoint Hinge offers a low-profile fourcepoint hinge that's flush with the frame, so it can be easily worn under your snow pants, and is light so it won't weigh you down on the slopes. The low-profile hinge reduces the need for the deflector while still providing protection for ACL, MCL, LCL or Meniscus instabilities, which prevents the hinge from "getting hooked" with other braces or knee. Designed with internal strap tabs to reduce the risk of the tabs breaking and delivers comfort and security when in motion. The Armor Knee is available in short or standard calf sizes, so you can choose the length you need for a more customizable fit-and it won't interfere with your ski boot.

Features & Benefits

  • 4-point leverage system helps reduce strains on the ACL
  • Low-profile hinge delivers protection without limiting range of motion
  • Adjustable straps to help secure and personalize the fit
  • Made of aircraft aluminum
  • Anti-migration supra condyle pad to help keep the brace in place during movement
  • Designed to support and protect moderate to severe ACL instabilities, recovery from ACL reconstructions, MCL or LCL instabilities, meniscus injury, hyperextension prevention (not recommended for PCL injuries or instabilities)
  • Best for baseball, softball, basketball, football, hockey, lacrosse, skiing, snowboarding, motocross, volleyball

Size Chart & Fit Guide

Take the measurement of your thigh and calf 6" above and below your kneecap using a flexible type tape measure.  Use the circumference you measure here to choose your size.

Size Thigh Knee Center Calf
XS 13" - 15.5" (33-39 cm) 12"-13" (30-33 cm) 10"-12" (25-30 cm)
S 15.5" - 18 .5" (39-47 cm) 13"-14" (33-35 cm) 12"-14" (30-35 cm)
M 18.5" - 21" (47-53 cm) 14"-15" (35-38 cm) 14"-16" (35-40 cm)
L 21" - 23.5" (53-60 cm) 15"-17" (38-43 cm) 16"-18" (40-45 cm)
XL 23.5" - 26.5" (60-67 cm) 17"-19" (43-48 cm) 18"-20" (45-50 cm)
XXL 26.5" - 29.5" (67-75 cm) 19"-21" (48-53 cm) 20"-22" (50-55 cm)
XXXL 29.5" - 32" (75-83 cm) 21"-23" (53-58 cm) 22"-24" (55-60 cm)
    Center Knee 1.Stand with your legs shoulder-width apart, legs slightly bent and leg muscles contracted.
    6 in Above 2. Measure up six inches from the center of your knee with a tape measure, as shown.
    Thig Circle 3. Measure the circumference of your thigh at the 6-inch mark, as shown.
    6 in below 4. Measure down six inches from the center of your knee with a tape measure, as shown. Then measure the circumference of your calf at the 6-inch mark.


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DonJoy Armor Knee Brace with FourcePoint Hinge

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