US Patent 7178268 Tamper resistant institutional shoe

A tamper resistant institutional shoe includes an upper shoe and an outsole joined together to form a cavity configured to receive a user's foot with the outsole disposed under the user's foot and the upper shoe extending over the user's foot. The outsole has a lower surface and an upper surface. An insert is fixedly disposed in the cavity on the upper surface of the outsole. The outsole is formed of a transparent or translucent material that is solid and constant across the outsole between the lower surface and the upper surface such that the insert on the upper surface is visible through the outsole without visual obstruction within the material.