FCS2 Performer Performance Core Medium Thruster Set. A balance of speed, flow and response. Size: Medium / 60kg - 80kg. Fin Type / Set Up: Thruster / 3 Fin Set. Colour: Tranquil Blue. Designed for a balance of speed, flow & response. Well-proportioned template with Inside Foil Technology (IFT). Ideal for surfers who want a reliable ‘All Round’ fin delivering a combination of speed and maneuverability with flow between turns. Ideal Conditions: Suitable for a wide range of conditions from beach breaks to point breaks. Board Types: Recommended for all board types. Fin System: Designed to fit the FCS II Fin System. Fin Family: Performer. A balance of speed, flow and response. Construction / Technology: Performance Core. Performance Core (PC) fins are made using a multi-layered resin transfer moulding 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.