Incorporating Future Shapes Technology, the Flexflight longboard series features and EPS core, high density skin and parabolic balsa rails, producing an ultra lightweight, durable longboard with the same superior performance characteristics made famous by Firewire's shortboards. The boards are lively and forgiving through turns, and yet the rocker and fin location give the boards great hold while nose riding. Dimensions: Stretch Quad fin set 9'1 23 3 Swallow Tail.