evo.com | FCS Fins > The FCS II Carver Glass Flex Large Tri Fin Set is ideal for the surfer who lives to carve. The Glass Flex construction is crafted from engineering grade polymer to mimic the feel of traditional hand laid fiberglass, while the Carver shape is ideal for powerful, drawn-out turns with added hold. 3 Fins Flat Foil A flat inside face combined with a convex outside face. The traditional flat sided foil offers an even combination of drive, pivot and hold and provides a very consistent, reliable feel over a wide variety of conditions. Glass Flex Glass Flex has been formulated to replicate the flex and memory properties of hand laid fiberglass. Its advantages over other composite fin materials include stiffness, a more positive flex pattern (nice tip flex, little base flex) and remarkable flex memory. The precision of the injection molding process ensures the highest accuracy in geometry in each fin produced. Elongated Template with High Degree of Sweep Provides exceptional hold off the bottom when carving on the open face. Fin Specs Base: 4.58" / Depth: 4.66" / Area: 15.73in^2 / Sweep: 37deg | FCS II Carver Glass Flex Large Tri Fin Set 2024 - Large in Black | Polyester