Greenough 4-A Smoke Single Fin Size:10" the 4-A is a fin

the 4-A is a fin that will hold when you need it to and release when the time is right

Main Features

white pinline on the deck

and an acute responsiveness through arcing turns

The Greenough 4-A has been our bread and butter for close to 40 years now

Greenough 4-A Smoke Single Fin Size:10" the 4-A is a finThere is a reason this is the most iconic, functional and versatile single fin available it works on just about anything! The Greenough 4 A has been our bread and butter for close to 40 years now, and is still the most popular single fin design there is. A truly well balanced fin the full base coupled with the tapering, moderately flexible tip provides a solid amount of drive off the bottom, and an acute responsiveness through arcing turns. Designed