Patent ID: 7181870

Claim:
An article of footwear, comprising: an outsole connected to an upper, each of said outsole and said upper having an exposed exterior surface, at least one of said upper and said outsole having at least one design element containing phosphors located on said exterior surface thereof; at least one source of black light operative to emit ultraviolet light, said at least one source of black light being mounted to said exposed exterior surface of at least one of said upper and said outsole in position so that said ultraviolet light emitted by said at least one source of black light travels exteriorly of said upper and said outsole and shines on said at least one design element causing it to glow; an electrical circuit including a battery coupled to an inertia switch, to an integrated circuit and to said at least one black light, said integrated circuit being operative in response to activation of said inertia switch to illuminate said at least one black light in a flashing pattern.