True Ames Greenough 4-A Fiberglass Single Fin-Sandbar Fin Size:6.5" Track boxes have been moved

Track boxes have been moved further back to better match with the multitude of different foils that riders may pair with the boards

5in (42cm) 22in (56cm) 15

Sleek yet casual

Made of Soft 100% Organic Cotton Fabric - US-grown organic cotton is sourced from member farms of the Texas Organic Cotton Marketing Cooperative

Pairs well with all types of boards

True Ames Greenough 4-A Fiberglass Single Fin-Sandbar Fin Size:6.5" Track boxes have been movedFrom True Ames The Greenough 4 A Single Fin is the most iconic, functional and versatile single fin available, because it works extremely well on just about every type of surfboard. The 4 A has been True Ames' bread and butter for over 40 years now, and it is still the most popular single fin design there is due to it's all around and well balanced performance. From, Function, Feel Form Medium profile, full base coupled with a tapering & moderately