Össur CTi® 3 Ligament Knee Brace
The gold-standard in rigid knee braces – now even lighter and more comfortable. Handmade in Iceland from aerospace-grade carbon composite, the CTi® 3 delivers unmatched ACL, PCL, MCL & combined instability protection without compromising freedom of movement.
- Ultra-lightweight carbon-fibre frames – maximum strength, minimal weight
- Accutrac® hinges mimic natural knee motion for all-day & all-sport comfort
- Breathable, non-slip liners with tread-block pattern for cushioning and ventilation
Why Athletes & Surgeons Choose CTi® 3
CTi® has been the #1 prescribed rigid knee brace by orthopaedic surgeons and sports physicians worldwide for over 30 years. The new CTi® 3 builds on that legacy with refined carbon construction, improved liner technology and an even more anatomical fit – making it the perfect choice for both elite athletes returning to sport and active patients needing reliable daily protection.
Key Features & Benefits
- Carbon Composite Frames – High-strength, ultra-lightweight and extremely durable
- Accutrac® Hinge – Tracks the knee’s natural rolling/gliding motion for superior comfort
- Total Comfort Liners – Anti-slip tread-block design provides cushioning and excellent ventilation
- Anatomical Design – Pre-tibial shell and adjustable tibial strap accommodate most leg shapes
- MX & Sport Kits Available – Upgrade for motocross, skiing or water sports
- Easy Maintenance – Full range of replacement straps, liners, pads and flexion stops available
Indications
Recommended for:
- ACL, PCL, MCL, LCL tears or repairs
- Rotary and combined instabilities
- Prophylactic use in high-risk sports (motocross, skiing, football, etc.)
- Hyperextension control
Included with Every CTi® 3
- Condyle Pad Set
- Extension Stop Kit (0° stop pre-installed)
- Undersleeve & strap kit
- Care instructions & 12-month warranty
Sizing Chart
| Size | Knee Caliper (cm) | Thigh 20 cm above mid-patella (cm) | Left Part # | Right Part # |
|---|---|---|---|---|
| Small | 8–10 cm | 40–47 cm | CTI-23002 | CTI-22002 |
| Medium | 10–11 cm | 45–55 cm | CTI-23003 | CTI-22003 |
| Large | 11–12 cm | 52–61 cm | CTI-23004 | CTI-22004 |
| X-Large | 13–14 cm | 58–67 cm | CTI-23005 | CTI-22005 |
Professional fitting recommended for optimal results.









