It says that the brace is semi-rigid, can it prevent the twisting motion that can tear an ACL?

Hello and thank you for your inquiry into our McDavid Knee Support, the brace will provide the support against the twisting motion that can lead to an ACL injury. If you have any further questions please feel free to contact our customer service department at (800) 233-6956 or cs@unitedspb.com and we will further assist you with this matter.

What size is appropriate for a 15' knee cap circumference?

A large may fit. My knee circumference is close to 15”, but the large size fits me pretty well. Based on the measurements found on the box, 15” would need an XL.

Does this knee brace slide off when on?

Hello, This brace should not have the ability to fall off if you are in the correct size and have taken the time to adjust and tighten the brace properly. If you experience and issue related to slippage or an improper fit , please contact our customer service department via email - cs@unitedspb.com or by phone at (800)-233-6956 and we will gladly assist you!

Doea this help with Acl deficiency?

Not really, it will lateral stability and help prevent hyper-extension.

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McDavid Bio Logix Knee Brace Blk Right - 4200RR-BK

Product ID: 258077584

Details

Age range (description)
Adult
Brand
McDavid
Size
M
Specific uses for product
Knee Support
Use for
Knee

🎯Adjustable strap system for custom fit

🦾Bi-lateral aluminum hinges for fluid motion

🧦Included compression sleeve for enhanced comfort

¥41399

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🦵 Unlock your knee’s full potential with McDavid’s Bio-Logix brace — support that moves with you!

BIO LOGIX INNOVATION - Cutting-edge design philosophy extends natural human limits for superior support and recovery.
COMFORT MEETS PROTECTION - Strategic blend of rigid and soft materials with breathable, washable lining for all-day wearability.
TAILORED FIT EVERY TIME - Advanced adjustable strap system ensures a secure, personalized fit that stays put during movement.
DYNAMIC COMPRESSION COMBO - Included compression sleeve enhances support, fit, and recovery—your secret weapon for knee health.
ENGINEERED FOR PEAK PERFORMANCE - Bi-lateral aluminum hinges deliver natural knee biomechanics and unmatched stability.

The McDavid Bio Logix Knee Brace (model 4200RR-BK) is a high-performance hinged knee brace designed for adults seeking advanced support and injury prevention. Featuring bi-lateral aluminum hinges, an adjustable strap system, and a compression sleeve, it offers a perfect balance of stability, comfort, and natural motion. Engineered with the Bio-Logix philosophy, this lightweight, breathable brace supports ACL, MCL, PCL, and meniscus injuries while enhancing recovery and performance.

Specifications

ASIN	B01N4TP6YE
ASIN	B01N4TP6YE
Age Range Description	Adult
Best Sellers Rank	#109,290 in Health ( See Top 100 in Health ) #710 in Knee Braces
Brand Name	McDavid
Closure Type	Hook & Loop
Color	Black
Customer Reviews	3.9 3.9 out of 5 stars (137)
Customer reviews	3.9 3.9 out of 5 stars (137)
Department	Unisex-Adult
Global Trade Identification Number	00029369138704
Included Components	1 KNEE BRACE
Is Discontinued By Manufacturer	No
Item Dimensions	13.6 x 35 x 18.4 centimeters
Item Type Name	Bio-Logix Knee Brace, BLACK, RIGHT- MEDIUM
Item Weight	0.52 Kilograms
Item model number	MD4200-01-33R
Manufacturer	McDavid Sports Medical Products
Manufacturer	McDavid Sports Medical Products
Material	Aluminum
Model Name	MD4200
Model Number	MD4200-01-33R
Number of Items	1
Part Number	MD4200-01-33R
Product Care Instructions	B01N4TP6YE, Hand Wash Only
Product Dimensions	13.6 x 35 x 18.4 cm; 520 g
Size	M
Special Features	Lightweight
Specific Uses For Product	Knee Support
Sport Type	Sports Technology
Target Use Body Part	Knee
UPC	029369138704
Unit Count	1 Count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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¥41399

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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