Abstract: A double shoe combination footwear with a concealed inner shoe. The double shoe combination footwear may comprise: a first shoe; and a second shoe, both of which comprise at least an upper and an outsole being stiffer than the upper. The second shoe is adapted to fit within a shoe cavity of the first shoe and is preferably concealed within the first shoe. The upper of both shoes are preferably substantially similar in shape and size, such that the second shoe fits snugly within the shoe cavity of the first shoe. Preferably, the second upper of the second shoe is no larger in size than the first upper of the first shoe, such that, when the second shoe is inside the shoe cavity of the first shoe, the outer surface of the second upper of the second shoe is entirely concealed within the first shoe.

Abstract: One example embodiment includes a shoe-slipper combination. The shoe-slipper combination includes a shoe, wherein the shoe is configured to be worn by a wearer. The shoe-slipper combination also includes a slipper. The slipper is configured to fit on the foot of the wearer and fit at least partially within the shoe.

Abstract: One example embodiment includes a system for preventing contaminants on a toilet seat coming in contact with a user. The system includes a substrate. The system also includes a sanitizing substance, where the sanitizing substance is embedded in at least a portion of the substrate.