Patent ID: 8517410

Claim:
A convertible sport board having a polymer shell, wherein a running surface is laminated to the bottom of the polymer shell of said board, and wherein said laminated running surface comprises a series of longitudinally extending grooves and/or ridges on the running surface to provide improved gliding and turning properties, and thus allows the sport board to also be used as a snowboard, and wherein the sport board includes a bottom profile configured to a substantially hour glass shape defined as having top edge and a distal bottom edge and a center region positioned between the top edge and the bottom edge, the top edge tapering outwardly along side edges to a first convex bulbous region, the first convex bulbous region then tapering inwardly along a concave center region, the concave center region then tapering outwardly along the side edges to a second convex bulbous region, the second convex bulbous region then tapering inwardly along the side edges to the bottom edge, and wherein the first convex bulbous region is positioned substantially between the top edge and center region, and wherein the second convex bulbous region is positioned substantially between the bottom edge and center region.