Firewire 'FW' shaper fin. A highly manoeuvrable fin providing exceptional stability through turns. Performance Core Carbon Often 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. Size X-SMALL (Under 55Kg / 120 Lbs)SMALL (55Kg - 70Kg / 120 - 155 Lbs)MEDIUM (65Kg - 80Kg / 145 - 175 Lbs)LARGE (75Kg - 90Kg / 165 - 200 Lbs)X-LARGE (Over 85Kg / 190 Lbs)