4A Center Fin 9.5" Rainbow fcs the Proto Synthesis is the

the Proto Synthesis is the top selling board year after year for a reason

which are all ring-spun knits

Vee of the tail to allow fast rail to rail transitions

or surf-themed space

The Ripper graphic has stood the test of time and has been a staple of the Powell-Peralta line for over 30 years

4A Center Fin 9.5" Rainbow fcs the Proto Synthesis is theThe 4A model is an all around performance single fin that you can use on most longboards. It's wide base helps build up speed. It thins out towards the tip for ease of maneuverability. 4A Single Fin Combination of stability and maneuverability. Wide Base Stability and speed. Narrow tip Quick maneuvers. Suggested Guide: 9. 5" Single Fin Board length: 8'6" to 10'0