Bionic FullStop Knee Brace
DonJoy Performance
The Bionic FullStop Knee Brace can be used to treat or prevent the following knee injuries:
- ACL Injuries
- Meniscus Injuries
- Moderate Ligament Sprains of MCL, LCL, and PCL
- Patella Support
- Hyperextension Prevention
- Joint Instability
- Post Surgery Protection
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) |
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Features & Benefits:
- Hinge Technology and Four-point Leverage System to stay out of the "at-risk" position
- Anti-migration technology to prevent sleeve movement
- Reflectivity for enhanced visibility in low-light conditions
- Compression and thermal heat regulation
- Adjustable straps for a more secure, personal fit
Is the Bionic FullStop Knee Brace right for me?
Perform your best with the ultimate protection. With a sleek, low-profile, the BIONIC FULLSTOP delivers maximum support for ACL recovery and prevention. Designed with dampening hinges to prevent hyperextension and help improve joint mechanics in both surgical and non-surgical knees.
Designed to support and protect:
- ACL, Meniscus or Patella Injuries
- Joint Instabilities
- Moderate Ligament and Tendon Sprains
- Hyperextension
Best for:
- Active individuals
- Sports similar to: Football, Soccer, Skiing/Snowboarding, Basketball, Lacrosse, Volleyball
The Bionic FullStop Knee Brace can be used to treat or prevent the following knee injuries:
- ACL and Meniscus Injuries
- Joint Instabilities
- Moderate Ligament and Tendon Sprains
- Hyperextension
- Patella Support
The Bionic FullStop Knee Brace Benefits
- Increase circulation
- Improve heat regulation
- Compression
- Joint and ligament support
Bionic FullStop Knee Brace Instructions
Pull up over knee so knee is in the center of the opening. Wrap and secure straps for personal fit. Adjust as needed.
Bionic FullStop Knee Brace Care
After usage, we recommend you rinse it with fresh, clean water and let it air dry.
Our most stable line of sport performance bracing products, the BIONIC FULLSTOP provides the ultimate ACL protection for post-op recovery and injury prevention. Easy to put on and designed with adjustable straps for a more personal fit.
View all DonJoy Performance braces or our full selection of knee braces.
Product Questions
https://www.donjoystore.com/bionic-knee-brace
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) |
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Special Price $77.99 Regular Price $86.99On Sale 10% Off Save $9.00(67) ReviewsLock in stability, dominate every move. Polycentric hinges with hyperextension stops + anti-migration wrap-around fit means this brace locks you tight through every jump, cut, and sprint Breathable neoprene, stretch-web closures, stash pocket and reflectivity keep you agile, comfortable, and game-ready—day or nightThe Bionic Knee Brace can be used to treat or prevent the following knee injuries:
- MCL and LCL Instabilities
- Knee Hyperextension
- General Meniscus Support
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Special Price $86.99 Regular Price $95.99On Sale 9% Off Save $9.00(11) ReviewsLock into performance-grade support with bilateral polycentric hinges. Moisture-wicking Drytex material and open-patella design keep you cool, agile, and on‑point through every cut and sprint. Adjustable top/bottom straps and anti-slip silicone hem ensure this brace stays put when you're pushing limits on the field or court.The Bionic Drytex Knee Sleeve can be used to treat or prevent the following knee injuries:
- Mild to Moderate MCL/LCL Injuries
- Meniscus Injuries
- Knee Instability
- Sprains and Strains
- Hyperextension
- Arthritis
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Special Price $69.99 Regular Price $77.99On Sale 10% Off Save $8.00(1) ReviewEngineered for athletes who demand mobility and support. The 4-way stretch knit fabric delivers compression to manage swelling, while removable plastic hinges provide medial/lateral stability during dynamic movements. Ideal for sports like basketball, volleyball, and soccer, this lightweight sleeve offers a secure fit with adjustable straps and a patella buttress to protect the kneecap.The Hinged Knit Knee can be used to treat or prevent the following knee injuries:
- Overuse Injuries
- Patella Tracking Disorder
- Muscle Imbalance
- Strained Muscle or Tendons
- Mild Sprains
- Blunt Trauma





