Futures Mayhem Evil Quad Fin Set-Rainbow-Medium surfboards_x-large The Sonar Foil System can

The Sonar Foil System can be mounted to any foil board with a 165x90mm bolt pattern

The base is wider than the depth which isn't seen in your typical fins

Made from a faux straw material with mega beachy vibes

Includes screw-on cap

Size | X-Small Trailer

Futures Mayhem Evil Quad Fin Set-Rainbow-Medium surfboards_x-large The Sonar Foil System canFrom Futures "Sometimes the path forward leads us by looking back. In 2008 and 2009, while building boards and filming for 5'5" REDUX, we got into designing fish and other alternative boards around a Twin+2 setup. Basically a Quad, but with twin fins up front, and what were essentially longboard "side bites" as the rear quads. Cory Lopez famously rode this setup during the iconic segment of him slaying Skeleton Bay, on one of the first ever documented