The FCS II Matt Biolos template, belonging to the Reactor family, provides surfers with the freedom to execute tight turns in the pocket while prioritizing speed. It is hailed as a high-performance fin due to its rapid response capabilities, allowing surfers to maneuver swiftly while still maintaining enough control to confidently apply force during turns. Ideal for a wide range of conditions, the MB excels particularly in critical overhead waves. Designed to fit the FCS II Fin System, it is recommended for use with performance shortboards and hybrid models. As part of the Reactor fin family, the Matt Biolos emphasizes speed, tight turns, and snaps, making it a versatile choice for surfers seeking dynamic performance.