True Ames - Greenough 4A - 8” Blue RUX It’s a furiously fantastic look

It’s a furiously fantastic look that demands attention

Equipped with engineered stretch

There is also the custom order option of adding the classic belly four channels that go under your front foot above the fins

THIS FIN ISN’T JUST ABOUT LOOKS

Grab these Cushion Vista Hi sandals and enjoy the lug life

True Ames - Greenough 4A - 8” Blue RUX It’s a furiously fantastic lookThe 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.