True Ames - Greenough 4A - 8” Smoke Murf Our signature cushion rubber footbed

Our signature cushion rubber footbed feels good from beach to boat

Small arch bar

This suit has completely sealed seams

power and release that will suit more open-face waves and turns such as carves and power hacks

and increased flex

True Ames - Greenough 4A - 8” Smoke Murf Our signature cushion rubber footbedThe 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.