OverviewArmor FourcePoint™ by DonJoy® is a clinical knee brace designed to manage moderate to severe ligament instabilities and to protect the knee during high‑risk sports and rehabilitation.
Indications- Moderate to severe instability of the ACL and/or PCL, MCL and LCL
- Suitable for sports practice, including high‑risk and extreme sports
Key features & specifications- Available in 7 sizes: XS to XXXL
- Patented 4‑Point Support system
- Anti‑displacement condylar pads (not available on Ski versions)
- Short calf cuff for use with boots
- Available configurations: ACL, PCL, combined instabilities
- Frame: T6‑6061 aluminum (aerospace‑grade)
- Extension stop options: 10°, 20°, 30°, 40° (pre‑set to 10°)
- Flexion stop options: 45°, 60°, 75°, 90°
- Optional full lock at 0° on request
- Pivoting strap‑adjust clips for fit optimisation
- Enhanced tibial and knee protection; hinge deflector available on Ski version
- Total brace length: 37.5 cm (21.5 cm hinge‑to‑thigh; 16 cm hinge‑to‑knee)
Materials & construction- High‑strength T6‑6061 aluminum uprights
- Anatomical low‑profile wraparound design
- Components compatible with routine clinical cleaning
Options & accessories- Full 0° lock (on request)
- Impact Guard patella protection
- Ski‑specific hinge deflector