FCS Mick Fanning Performance Core Tri-Fin SetMaterial: Performance Core Performance Core (PC) fins are made using a multi layered resin transfer molding process. The flex pattern in PC fins extends progressively from the base through to the tip, helping the surfer to maintain drive and hold through a turn. This versatile fin material is light, and can be used in a variety of different conditions. Ideal Conditions Open face, down the line waves, particularly good in point and reef breaks. Board