evo.com | FCS Fins > Designed to compliment your favorite fish, the FCS II CI Keel PG Twin Fin Set combines a modern template with a progressive flex for excellent control for power surfing. Board Types Recommended for all board types including fish, funboard and twin fin boards. 2 Fins Performance Glass Performance Glass material characteristics and flex pattern are identical to traditional fiberglass fins offering a stiff base with subtle responsive tip flex, amazing aesthetics and proven durability. PG fins are the perfect transition fin for surfers moving from fixed fins to the convenience, accuracy and performance of FCS. | FCS II CI Keel PG Twin Fin Set 2024 - Large