| 摘要 |
A surfboard has ribbed or corrugated side rails for improved strength without an increase in weight. In a first embodiment, the board comprises a rigid, buoyant foam core, over which a rigid shell is formed, the shell having side rails with at least one external longitudinal rib. In a second embodiment, the board comprises an injection-molded plastic shell, into which a buoyant foam material is injected. The shell is formed with at least one internal longitudinal rib along each side rail. A portion of the top surface of the surfboard is covered with a layer of unbroken loop nylon material overlying a layer of closed cell foam material to form a resilient, non-abrasive, slip-resistant, water-repellent mat. A foot piece having a sole portion of unbroken loop nylon material is removably attachable to the mat by a double-sided patch of fibrous hook material.
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