Greenough 4A Fin 10.5 Color:Black Includes a premium hard sunglass

Includes a premium hard sunglass case and custom printed polishing cloth

increase your speed and let the board do the talking

we modified the outline of the Power Glide 45 to incorporate more rake

The bottom rocker is low in the nose and tail for speed on the wave and paddling

Hanley model is shaped by Rick Hamon from THC Surfboards

Greenough 4A Fin 10.5 Color:Black Includes a premium hard sunglassThere is a reason this is the most iconic, functional and versatile single fin available it works on just about anything! The Greenough 4 A has been our bread and butter for over 40 years now, and it is still the most popular single fin design there is.