True Ames Greenough 4-A Fin 7" - Solid Red R2 a design offering is born

a design offering is born out of that experience and mutual respect

Compression strap

75" / 146 mm

flow and response with added control

A single to double concave creates speed through turns

True Ames Greenough 4-A Fin 7" - Solid Red R2 a design offering is bornThe Greenough 4 A fin works in just about anything! It has been the staple fin of True Ames for the best part of 40 years and is still the most popular single fin design out there A very well balanced fin, the full base and moderately flexible tip provides the perfect balance of drive off the bottom and a sharp responsiveness through arcing turns. Designed for both speed generation and spending time surfing in the pocket, the 4 A is a fin that will