Abstract: The invention relates to a shoe with a sole, detachable interchangeable upper, and securing strap. The shoe contains snaps or other connector components along the entire perimeter of the side of the lower shoe member. Embodiments of the present invention include a shoe upper that is attached to the lower shoe through holes along the edge of the upper shoe that allow the securing strap to affix to the connectors on the perimeter of the lower shoe.

Abstract: A multi-durometer foldable shoe sole and method of creating multiple durometer compositions, including shoe soles. In a preferred embodiment, a shoe sole is created with two different durometer polyurethane compositions, one of which has hardness of 10 Shore A durometers and one of which has a hardness of 90 Shore A durometers. The shoe sole itself is created without adhesives, water or compression and held together by the chemical bonds of the composition alone.