The Quad Q2 is a modified version of the MR twin-fin of the late 1970s with a slightly flatter rocker and fuller outline.  Progressing from the original twin-fin setup, Matt Calvani adds two smaller back fins to the single-wing swallow design to give the board more control and responsiveness.  This board performs in everyday conditions from chest-high to double overhead waves and should be ridden 4-6 inches longer than the twin-fin fish.  Average nose: 14 ¾”Average tail: 15” (7” at swallow)