Abstract: Disclosed is a footwear insole for alleviating arthritis pain of the foot, knee, and/or hip by providing a rigid shell layer for arch support, and a topcloth, an upper cushioning layer, and a lower cushioning layer for cushioning. Further, the rigid shell layer includes a shell aperture, and the lower cushioning layer includes a lower layer aperture, through which a portion of the upper cushioning layer extends for cushioning.

Abstract: An insole for insertion into footwear, comprising a forefoot portion, a midfoot portion and a heel portion; the midfoot portion connecting together the forefoot portion and the heel portion; said insole comprising a cushioning layer of a viscoelastic gel material which provides a cushioning function; and wherein the midfoot portion and the heel portion comprise a peripheral edge that curves upwards.

Abstract: A removable insole for insertion into footwear, includes a lower layer made of a viscoelastic gel and including a lower surface, an upper surface, a toe portion, a heel portion and a medial arch portion interconnecting the toe portion and the heel portion, a first recess formed in the lower surface of the toe portion and a second recess formed in the lower surface of the heel portion, each recess having a peripheral side wall and a top wall, a plurality of thin, parallel, spaced apart sinusoidal wave shaped spring walls formed from the viscoelastic gel and connected to the top wall and the peripheral side wall in each recess, and the spring walls having lower edges generally coplanar with a lower surface of the toe portion and heel portion which is in surrounding relation to the respective recess; and a top cover secured to the upper surface of the lower layer.

Abstract: Disclosed is a footwear insole for alleviating arthritis pain of the foot, knee, and/or hip by providing a rigid shell layer for arch support, and a topcloth, an upper cushioning layer, and a lower cushioning layer for cushioning. Further, the rigid shell layer includes a shell aperture, and the lower cushioning layer includes a lower layer aperture, through which a portion of the upper cushioning layer extends for cushioning.

Abstract: An insole for insertion into footwear, comprising a mid-foot portion and a heel portion; the mid-foot portion and heel portion being formed by a cushioning layer of a resilient material having a first hardness and which provides a cushioning function; and a cushioning insert comprised within a recess in said cushioning layer and extending down from said cushioning layer; said cushioning insert comprising a resilient material having a second hardness that is less than the hardness of the hardness of the cushioning layer.