DonJoy OA Reaction Web Knee Brace
Pain Relief That Moves With You
The DonJoy OA Reaction Web is a lightweight, low-profile knee brace designed to help relieve osteoarthritis knee pain so you can stay active and comfortable throughout the day. Its patented silicone web technology absorbs shock and helps offload pressure from the knee joint and kneecap, while the breathable open framework and included undersleeve provide a secure, non-slip fit you can wear under everyday or athletic clothing.
- Treatment of osteoarthritis (OA) knee pain in the joint and patella (anterior knee pain).
- Shock absorption and offloading for medial or lateral compartments (right medial/left lateral or left medial/right lateral configurations).
- Low-profile design: Discreet enough to wear under clothing for everyday or exercise use.
- Four-way adjustable wraparound: Provides a custom-like, form-fitting comfort that’s easy to apply.
- Patented integrated silicone web: Hexagon pattern creates air pockets for gentle knee support and nonslip cup effect.
- Lightweight and open framework: The most breathable OA knee brace available, promoting all-day wear.
- Sizing options: Available from XS to XXXL based on thigh circumference 6” above mid-patella, with specific part numbers for left/right configurations.
Silicone Web Technology
Scientifically designed to provide shock absorption and anterior knee pain relief treating OA of both the knee joint and the patella.
Low-profile Design
Wear it under pants, skirts or with exercise clothing as a discreet solution for pain.
Four-way, Adjustable Wraparound Design
Comfortable, form-fitting design creates a custom-like fit for most legs that is easy to apply.
Patented, Integrated Silicone
Comfortable offloading of the knee with a nonslip cup effect; the hexagon design allows air pockets to gently support the knee.
Easy to Wear
The most open and lightweight design available in OA knee bracing.


Progressive Comfort
The web absorbs shock and shifts the peak loads away from the painful area of the knee, providing a mild offload for OA.
Sustained Comfort
The open framework and mesh backing makes this brace breathable and comfortable during use.
Uni-lateral Aluminum Hinge
Pre-loaded with 6 degrees of offloading, the OA Reaction relieves pressure in the affected compartment
Great Policies, Real Support
Fast Shipping, Money Back Guarantee on most items, and Easy Exchanges (free return label). Please note, some exclusions and conditions apply for certain products. See full policy details.





