Modern Highline PU 5'9" SurfboardDimensions: 5'9" x 21. 25 x 2 9 16 x 36. 6L This 2nd iteration of the Highline sees the plan shape and the rocker maintained from the original version. The update features a dramatically tweaked bottom contour that has a small amount of Vee upfront then a noticeable double concave with a lot of Vee between the fins. We know that the Modern Highline was primarily designed as a transition board for those coming off a high volume softboard wanting to