The Greenough 4-A is most popular single fin worldwide for decades–and for good reason–its incredible functionality and versatility means it’ll work on just about anything.
The Greenough 4-A is a truly well-balanced fin. Its full base coupled with a tapering, moderately flexible tip provides a solid amount of drive off the bottom, and an acute responsiveness through arcing turns. Designed for both speed generation and spending time surfing in the pocket, the 4-A is a fin that will hold when you need it to and release when the time is right. This fin sells for $125 brand new
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