Patent ID: 8832969

Claim:
An orthopedic appliance for use by a person comprising: a full length shock absorbent insole; and a support component configured to be attachable and reattachable to the underside of said insole by any of hinges, fabric hook and loop fasteners, magnets or hooks, wherein said support component is configured to be detachable from said insole and be replaced with another support component having a different durometer hardness value, and wherein said insole comprises dual layers, said dual layers configured to correspond to the shape and substantially the full length of the insole, said dual layers having an upper layer constructed from slow recovery memory foam comprising of high density visco-elastic memory cells and having a first thickness and first density, and a lower layer constructed from slow recovery memory foam comprising high density visco-elastic memory cells and having a second thickness and second density, wherein said first density is within a range of 3-12 lb/ft 3 and said second density is within a range of 13-25 lb/ft 3 , wherein said support component is configured to have a durometer hardness value in the range of 45D to 95D, and wherein said lower layer is molded from slow recovery memory foam having a hardness in the range of 20C-35C.