The raked side fins produce exceptional speed and drive, while the smaller centre fin on the medium and large template offer quick release through turns.
Al Merrick's 'AM' shaper fin in ultralight AirCore. Raked side fins produce exceptional speed and drive.
Updated PC construction featuring ultralight AirCore.
Designed in collaboration with the world's leading surf athletes and surfboard shapers, the FCS range offers a diverse range of surfboard accesories suited to a variety of board models, wave conditions and surfing styles. FCS fins are the preferred choice by the world’s best surfers and shapers.
- Hollow steep waves, punchy beach breaks. - Powerful, drawn-out turns with added hold

The FCS II Al Merrick PC Aircore Large Thruster Fin Set is designed for aggressive, innovative surfing.