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

similar to how a thruster works

Dial it back to 1988

Neoprene Foam Type: Smart Foam

The board you surf on should always depend on the wave you are surfing

Futures Pyzel Tri Fin Set sea salt flexing and twisting back andThe Pyzel Large thruster, designed by North Shore shaper Jon Pyzel, is in the Neutral template category. Featuring carbon fiber at the base and honeycomb through the body, the combination of materials gives this set a springy flex pattern suited for generating speed. Template Category Neutral (balanced, all around) Construction Honeycomb w Carbon Ride Number Balanced 6. 3 Size Large (180+ lbs)