Lateral J Patella Knee Brace
DonJoy
The Lateral J Patella Knee Brace can be used to treat or prevent the following knee injuries:
- Overuse Injuries
- Muscle Imbalance
- Runner’s Knee
- Blunt Trauma
- Kneecap Misalignment
- Dislocation
- Chondromalacia
- Patellar Tracking Disorder
Find the Right Fit:
- Stand with feet shoulder-width apart, knees slightly bent, leg muscles gently flexed.
- Place measuring tape flat against the skin (not tight). Measure leg circumference at:
- 6 inches above kneecap
- Center of kneecap
- 6 inches below kneecap
- Use chart to find your size. If you land between sizes—or if thigh and calf measurements suggest different sizes—choose the larger option.
A correctly sized brace will feel comfortably snug and supportive without being excessively tight.
| Size | Thigh | Knee Center | Calf |
|---|---|---|---|
| XS | 13"-15.5" (33-39cm) | 12"-13" (30-33cm) | 10"-12" (25-30cm) |
| S | 15.5"-18.5" (39-47cm) | 13"-14" (33-36cm) | 12"-14" (30-36cm) |
| M | 18.5"-21" (47-53cm) | 14"-15" (36-38cm) | 14"-16" (36-41cm) |
| L | 21"-23.5" (53-60cm) | 15"-17" (38-43cm) | 16"-18" (41-46cm) |
| XL | 23.5"-26.5" (60-67cm) | 17"-19" (43-48cm) | 18"-20" (46-51cm) |
| XXL | 26.5"-29.5" (67-75cm) | 19"-21" (48-53cm) | 20"-22" (51-56cm) |
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Is the Lateral J Patella Brace Right for me?
If you suffer from lateral patellar subluxation, dislocations, or improper patellar tracking this is the brace for you. Still not sure? Try our Brace Advisor for personalized product recommendations to meet your needs!
Designed to support and protect:
- Dislocating Kneecaps (Patellar dislocation)
- Lateral Patellofemoral Malalignment
- Lateral Patellar Subluxation
- Chondromalacia
Best for:
- Everyday activities
- Non-contact sports
Stabilizes The Kneecap To Help Prevent Dislocations And Help Alleviate Pain
The DonJoy Lateral J knee brace is one of our most popular patella stabilizing brace. The brace is equipped with a tubular, lateral “J” buttress that runs alongside the knee and provides support against lateral patellar subluxation, dislocations, or improper patellar tracking. The Lateral J can be worn during day-to-day activities, as well as sports and in water.
Drytex or Neoprene?
Drytex is DonJoy's exclusive solution for patients with neoprene sensitivities or those who prefer less warmth from their bracing. Constructed of a unique patented nylon core and polyester Lycra fabric, it allows for improved airflow while still giving ample support and compression. Perfect for people in warm weather climates and those with neoprene allergies or irritations. (Photo images are of Drytex material with seams. Neoprene material, not shown, does not come with seams). Neoprene is a thicker material that will provide more warmth.
With or Without Hinge?
This brace is available with a removable hinge for added stability for an additional cost. You should order the brace with a hinge if you have joint instability. It will provide more medial and lateral support. Otherwise, you should order the brace without a hinge.
- Tubular, Lateral “J” Buttress
- Helps stabilize your kneecap (patella). Available in left or right configuration.
- Lateral to Medial Straps
- Provides additional stabilization and you get to adjust the straps to provide the support that you need.
- Available in Drytex or Neoprene
- Pick the material that suits your needs.
Product Features…and the benefits you’ll experience!
Product Care
Hand wash with mild detergent and air dry.
Sizing and Measurements
Click on the Size Chart tab above to learn how to measure your leg to determine what brace size you need.
Shop our complete selection of knee braces or browse additional DonJoy products.
Product Questions
You have one more option for a Patella Stabilizer. The Tru-pull Lite, provides moderate support and is a smaller brace about 8 inches in length.
https://www.donjoystore.com/donjoy-tru-pull-lite
Size Thigh Knee Center Calf
XS 13" - 15 1/2" 12"-13" 10"-12"
S 15 1/2" - 18 1/2" 13"-14" 12"-14"
Find the Right Fit:
- Stand with feet shoulder-width apart, knees slightly bent, leg muscles gently flexed.
- Place measuring tape flat against the skin (not tight). Measure leg circumference at:
- 6 inches above kneecap
- Center of kneecap
- 6 inches below kneecap
- Use chart to find your size. If you land between sizes—or if thigh and calf measurements suggest different sizes—choose the larger option.
A correctly sized brace will feel comfortably snug and supportive without being excessively tight.
| Size | Thigh | Knee Center | Calf |
|---|---|---|---|
| XS | 13"-15.5" (33-39cm) | 12"-13" (30-33cm) | 10"-12" (25-30cm) |
| S | 15.5"-18.5" (39-47cm) | 13"-14" (33-36cm) | 12"-14" (30-36cm) |
| M | 18.5"-21" (47-53cm) | 14"-15" (36-38cm) | 14"-16" (36-41cm) |
| L | 21"-23.5" (53-60cm) | 15"-17" (38-43cm) | 16"-18" (41-46cm) |
| XL | 23.5"-26.5" (60-67cm) | 17"-19" (43-48cm) | 18"-20" (46-51cm) |
| XXL | 26.5"-29.5" (67-75cm) | 19"-21" (48-53cm) | 20"-22" (51-56cm) |
