To develop memory foams for the insole of shoes. In order to examine the effect that the types of foam plays on compression set, shape memory characteristics commercial EVA foams and shape memory foams were produced. Cross-linking agents are used in the production of the shape memory foam. The effects that the types of crosslinking agents have on the shape memory characteristics. Shape memory foams appeared to have excellent shape recovery property. They experienced less plastic deformation to compression than the regular foams. Therefore, shape memory foam proved to be more suited for the insole of shoes than the commercial EVA foam. As the percentage of sulfur increased in the cross-linking agent that is used in the production of the shape memory foam, the shape memory characteristic also improved significantly.