Futures surfboard fin * Single tab box * Material: Fiberglass * Ideal for all wave types * Admiral detailing all over * Colour: Blue The new Futures Admiral Fiberglass Surfboard Single Fin provides a cruisey feel to your board while allowing for great rail transitions with its more improved flex. This blue surfboard single fin is made of fiberglass material for durable construction. This single fin is versatile, it goes well with most board types in all conditions. This fin is designed for minimal drag and maximum glide.