FCS M5 Natural Glass Flex Tri Fin Set on your board. The molded composite fins have a rounded template that help you find a balance between maintaining high speeds and high maneuverability. A glass flex construction gives a stiff ride while still having adequate flex and memory.
FCS Thruster Set M-5 
 . Optimum weight range: 65kg - 80kg
Optimum weight range: 65kg - 80kg 
 Base: 4.37" / 111mm
 Base: 4.37" / 111mm
 Depth: 4.55" / 115mm
 Depth: 4.55" / 115mm
 Area: 14.76"² / 9525mm²
 Area: 14.76"² / 9525mm²
 Sweep: 33°
 Sweep: 33°
 Foil: IFT
 Foil: IFT