True Ames - Greenough 4A - 8” Blue Ding all and long accelerating turns

and long accelerating turns

To balance these design elements (added tail rocker

without wondering if the shape itself was unfamiliar

Front/Back Panels: 64% Cordura® / 26% Nylon 66 / 10% elastane

With a unique Reverse 3/2 twist

True Ames - Greenough 4A - 8” Blue Ding all and long accelerating turnsThe 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.