The legendary Al Merrick fin template by Channel Islands Surfboards. Made in the USA.
4.5" (Medium) fin size, designed with riders 165lbs and under in mind
Thruster fin set
Area: 14.99" ^2
Area: 14.63" ^2
TECH 1 EXPLAINED
Time-tested polyester resin and fiberglass construction. Unique core construction reduces resin content and weight
Our proprietary fiberglass weave and orientation is designed for maximum response and performance in a fiberglass fin. Al's design creates drive from the rake and base, while allowing pivot with the narrow tips and smaller center fin.