The F4 is a Hi-performance round tail quads that fits in between the fusion and your everyday shortboard. Design for fast beachy and reefs, it’s a great board you can put on your motor bike and surf almost anywhere in Bali. Come standard as a five fins setup for versatile. Single to double concave, with a slight vee out the tail. The F4 was one of Luke’s best selling board for 2012.