Deflow Seguiriya Prelude Single Fin Fin Accessories FCS II Compatibility Infills are

FCS II Compatibility Infills are designed to fill the gap between the front tab of the original (dual tab) FCS fin and the front of the FCSII plug front slot

A pulled-down rail allows the board to change direction without having to muscle it and also cuts nicely across steep sections of the wave face

7MM FOAM CONSTRUCTION PE Foam internal walls for the ultimate protection and insulation

Double square groove

Have the best of both worlds on the Christenson Twin Tracker

Deflow Seguiriya Prelude Single Fin Fin Accessories FCS II Compatibility Infills areElegant and precise, this fin will complement your traditional longboard studies. "Mundo y formas.. I wanted these fins to be a personal version of three iconic models I grew up with. Like a folk song or jazz standard that eventually is being re written, or modified to become your own version of a song, I began to change the curves of these classic fins through the years, to evolve with my surfing and the type of waves I surf most of the time."