FCS II Julian Wilson Tri Surfboard Fins - Large/WhiteJulian Wilson's 'JW' signature fin featuring AirCore construction. Fast, Ultra Light with Quick Response. Overview Julian's new fin focuses on speed and projection for taking flight and adopting a more progressive approach while maintaining a feeling of predictability and control through longer arc turns. Updated in PC construction featuring our ultralight AirCore. Ideal Conditions Open face, down the line waves, particularly good in point and reef