True Ames Greenough 4-A Longboard Fin - 7" Fin Colour:Black A deep single concave runs

A deep single concave runs between the fins and right through to the tail

Two different sized Pro Tips

Side Bites: Height 4" | Base 3 3/4" | Area 10

10mm closed cell padding

Z-strap closure conforms to foot for a snug fit

True Ames Greenough 4-A Longboard Fin - 7" Fin Colour:Black A deep single concave runsThe 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