Sally Fitzgibbons Thruster Medium Twin + Trailer redefines the classic theory of

redefines the classic theory of the twin-fin design and transforms it into a more high-performance mindset

Easy Clip for Maximum Safety

Shane Dorian set the standard for high-performance big wave surfing

Today we offer two sizes

Sally Fitzgibbons Thruster Medium Twin + Trailer redefines the classic theory ofSally Fitzgibbon's 'SF' signature fin. Ideal for beach breaks. Overview Sally Fitzgibbon's signature fin. The smaller centre fin provides exceptional tail release. Ideal for beach breaks. Ideal Conditions Hollow steep waves, punchy beach breaks. Board Types Designed to fit the FCS II Fin System. Performance boards with shallow concave and moderate to low rocker. Fin Family Reactor: Find Speed. Speed, tight turns & snaps. Performance Core Performance