Greenough 4-A Volan Fin Size:10 the Power Glide 45 is

the Power Glide 45 is not meant to replace the Power Blade

77" / 121 mm

the Power Glide 45 also has a greater amount of flex resulting in more responsive and adaptable performance

flexing and twisting back and forth creating propulsion based on direction and angle of attack

The narrow base permits for an extremely minimal amount of water pressure resistance

Greenough 4-A Volan Fin Size:10 the Power Glide 45 isThere 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 close to 40 years now, and is still the most popular single fin design there is. A truly well balanced fin the full base coupled with the tapering, moderately flexible tip provides a solid amount of drive off the bottom, and an acute responsiveness through arcing turns. Designed