Indio Endurance Surfboard 5'7" Combo Swirl 31.7L - swirl effect purpleThe cool hybrid quad One of the most important characteristics of this model is the generous volume through the whole surfboard combined with performance rails. The wide nose outline is made to maximize paddle power. But look at the tail, it is narrow for performance. Also, flat entry rocker blends into an elongated V under the front foot all the way through the fins where water exits. The V in the back third of the board has slight concave. Rail to