Precision Performance for Punchy Surf
The CI Upright delivers immediate response when the ocean turns on. Built for surfers who chase hollow sections and vertical walls, this fin template transforms your board into a precision instrument for critical surfing.
Features:
- Upright Template: Promotes tighter arc turns and vertical maneuvers in punchy conditions
- Full Base-to-Tip Profile: Robust construction allows hard pushing while maintaining freedom through transitions
- Quick Start-Up Speed: Immediate acceleration from takeoff with loose, free feel off the top
- Versatile Application: Ideal for hybrids, step-downs, and high-performance shortboards where reduced resistance keeps you in the pocket
- Flat Foil: Consistent feel across all fin positions for balanced control
Ready to complete your quiver?
→ Discover our latest surfboard drops and find your perfect match
| Fin | Base | Depth | Area | Sweep Deg° | Foil |
| Medium Side | 4.39″ | 4.59″ | 15.04″ | 30.3° | Flat |
| Medium Ctr | 4.39″ | 4.59″ | 15.04″ | 30.3° | Flat |
| Large Side | 4.50″ | 4.70″ | 15.79″ | 30.3° | Flat |
| Large Ctr | 4.50″ | 4.70″ | 15.79″ | 30.3° | Flat |
