Patent ID: 7743532

Claim:
An improved walking boot, comprising: a walking shell having an inner and an outer surface, wherein the outer surface is a walking surface and the inner surface is a foot bed designed to receive and support a mid-sole; one or more upright struts secured to said walking shell, said one or more upright struts adapted to secure said walking boot to a lower leg; a premolded mid-sole having a lower outer surface mounted on said foot bed and an upper surface comprising a foot shaped cavity having a bottom surface with upwardly curving sides; wherein said mid-sole is formed from material that will rebound from pressure and will not take a compression set; an inner-sole having a foot receiving upper surface adapted to receive a foot and a bottom surface adapted to fit over said upper surface of said mid-sole, said inner-sole formed from a material that does not readily rebound from pressure and that will take a compression set in response to foot pressure, such that said inner-sole is adapted to mold itself closely to the loaded shape of the foot and tightly against said upwardly curving walls of said mid-sole; and said foot shaped cavity having a width and depth such that in response to foot pressure the peripheral edges of said foot are loaded by said upwardly curving sides of said foot shaped cavity prior to said bottom of said foot shaped cavity loading the bottom of said foot.