Patent 6860037 was granted and assigned to LG on March, 2005 by the United States Patent and Trademark Office.
A desert boot or shoe outsole for walking on sand having longitudinal ridges defining gaps between them, a continuous outer edge around the sole capable of containing sand while walking, and a sharp forward heel edge. Each ridge and gap has a cross sectional area, and each cross sectional area increases from a minimum at the outer edge to a maximum at the center of the outsole.