DonJoy Armor Action Rigid Knee Brace

The DonJoy Armor Action is a premier clinical orthosis specifically engineered for patients who demand the highest level of stabilization during high-impact athletics or extreme occupational environments. By utilizing a reinforced aircraft-grade 6061 T6 aluminum frame, this brace creates a Zero-Friction environment that protects the ACL, PCL, and collateral ligaments from translational and rotational stress. Featuring DonJoy's patented Four-Points-of-Leverage™ system, the Armor Action provides a rigid mechanical anchor that significantly reduces ligamentous strain while maintaining a low-profile fit. This orthosis is the premier clinical choice for athletes in contact sports, skiing, or motocross, as well as professionals requiring maximum joint integrity following reconstructive surgery.

Have questions about impact-level stabilization, three-point measurement sizing, or national delivery? Speak with a Clinical Mobility Expert now: 866-218-0902

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Clinical Features & Patient Benefits

• Four-Points-of-Leverage™ Technology: Features a "Zero-Friction" mechanical design that significantly reduces ACL strain by providing a constant dynamic force to the tibia.
• Reinforced 6061 T6 Aluminum Frame: Provides "Zero-Friction" structural integrity and high-strength durability, making it the strongest off-the-shelf brace for extreme impact.
• Swiveling Strap Tabs: Specifically engineered for a "Zero-Friction" anatomical fit, allowing the straps to move with the leg's muscles during intense physical activity to prevent brace migration.
• Antimicrobial Suede-Lined Pads: Utilizes high-quality, non-slip liners that facilitate "Zero-Friction" comfort and moisture management during long-duration use in high-performance settings.

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The Clinical Authority: Why Professionals Trust the Armor Action

Orthopedic Surgeons and Sports Medicine Practitioners specify the DonJoy Armor Action for its "uncompromising-stability" capabilities. Its "Zero-Friction" environment is the gold standard for managing severe ligamentous laxity where lower-profile braces may fail under load. By providing a rigid external framework that anchors the femur and tibia at three critical points, the brace effectively offloads the cruciate ligaments. This targeted approach is highly effective for preventing re-injury in high-risk environments and providing the structural confidence required for elite athletic performance.

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FAQ: High-Impact Stability & Fitting

Is this brace suitable for contact sports like football?
Yes. The "Zero-Friction" aluminum frame is designed for maximum impact protection; however, we recommend using a brace cover for organized competition.

How do I ensure the best fit?
Unlike standard braces, the Armor Action uses a "Zero-Friction" three-point measurement system (Thigh, Knee Center, and Calf) to ensure the frame perfectly matches your leg's unique contours.

Does it fit either leg?
No. To provide a "Zero-Friction" anatomical fit and correct ligamentous stabilization, the Armor Action is specifically contoured for either the Left or Right knee.

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Specifications & Sizing Table

Selection is based on three measurements (Thigh, Knee Center, and Calf). Measure carefully for an optimal "Zero-Friction" clinical fit:

Size	Thigh (6" above center)	Knee Center	Calf (6" below center)
X-Small	13" – 15.5"	12" – 13"	10" – 12"
Small	15.5" – 18.5"	13" – 14"	12" – 14"
Medium	18.5" – 21"	14" – 15"	14" – 16"
Large	21" – 23.5"	15" – 17"	16" – 18"
X-Large	23.5" – 26.5"	17" – 19"	18" – 20"
2X-Large	26.5" – 29.5"	19" – 21"	20" – 22"
3X-Large	29.5" – 32"	21" – 23"	22" – 24"
Frame Material	Reinforced Aircraft-Grade 6061 T6 Aluminum

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Fast National Delivery Available
Need this high-impact rigid stabilization delivered to your door? We provide fast, reliable national shipping. For our local Southwest Florida neighbors, we also offer same-day pickup at our showrooms in Sarasota, Fort Myers, and Naples.