Futures John John Florence Techflex Tri-Fin SetThe Futures Fins John John Florence Techflex Tri Fin Set is JJF's daily driver and the fin that he rode exclusively to 3 World Championships. Johns approach in both waves of consequence and high performance competition show the versatility of the Techflex construction. Stable and predictable at high speeds, as well as springy and responsive in more playful conditions. Fin Size Detail Size Side Fins Center Fin Ride Number Small (95 135 lbs.) Height: 4.