Haydenshapes 'HS' shaper fin. An all round template with longer base for exceptional speed when driving off the bottom.OverviewFCS II Tri-Quad (5 fin) Shaper Fin designed by Hayden Cox from Hayden Shapes.Perfectly suited to the HS Hypto Krypto and other higher volume board models with lower rocker.This fin produces exceptional speed when driving off the bottom, especially on longer open face waves.Ideal ConditionsA wide range of conditions, and waves.Board TypesDesigned to fit the FCS II Fin System.Perfectly suited to the HS Hypto Krypto and other higher volume board models with lower rockerFin FamilyReactor: Find Speed. Speed, tight turns & snaps.Performance Core CarbonOften referred to as PC Carbon or PCC, these fins are highly responsive and feature strategically placed carbon that’s designed to complement the fin template. PCC fins suit fast surfing and are favored by power surfers who like to perform explosive turns on critical parts of the wave.