Futures Ethan Ewing Tri-Fin SetThe fin that Ethan rides! After years of prototyping and fine tuning with his quiver, Ethan Ewing has committed to this thruster set, as his primary fin option. At all Championship Tour stops, in virtually all conditions, this thruster is his go to. The Futures Fins Ethan Ewing Signature Tri Fin Set is built in solid fiberglass construction for a consistent flex pattern, offering stability and control. Fin Size Detail Size Fins Height Base Area Angle