The F4 by Futures combines one of the most popular thruster set ups with the F-4 Quad. Utilizing the V2 foil on the front fins combined with the honeycomb material allow this fin to flex and generate speed. Due to the thicker tip you will notice hold through your turns. The five-fin option is a excellent choices for small-to-medium sized surfers in the 105 to 155 pound weight range. The five fin option essentially buys you two sets of fins (thruster and quad) for close to the price of one.
Dimensions:
Front/center:
Height: 4.37"
Base: 4.22"
Area: 14.22"
Rear Fins:
Height: 3.75"
Base: 3.64"
Area: 10.90"