Powerful, drawn-out turns. Excels on open face waves. DESIGN FIN MATERIAL NEO GLASS FIN SPECS: MEDIUM Base: 4.47in / 113mmDepth: 4.54in / 115mmArea: 14.96in² / 9650mm²Sweep: 37.0ºFoil: Flat FIN SPECS: LARGE Base: 4.58in / 116mmDepth: 4.66in / 118mmArea: 15.73in² / 10150mm²Sweep: 37.0ºFoil: Flat PERFORMANCE OVERVIEW • Elongated fin for performing long arc turns.• High degree of sweep angle provides exceptional control off the bottom and when carving on the open face.• Designed for power surfers who like to push hard against their fins and draw out their turns. IDEAL CONDITIONS Open face, down-the-line waves, particularly good in point and reef breaks. BOARD TYPES Recommended for boards with deep concaves and moderate-to-extreme rocker. Please Note: this fin is designed to be used exclusively with the FCS II Fin System, and will not fit in the traditional FCS Dual Plug System.