Utilizes innovative technology to relieve sore and tired feet. Plastazote® top cover molds to your feet for a custom fit. Abzorb® cushioning provides maximum shock absorption at the heel and the forefoot. The anatomical arch support and heel cradle work together to support the foot and redistribute pressure. The Pressure Relief Insole was designed by a team of doctors and pedorthists to improve balance and body alignment. Air flow channels are designed to move warm air out and draw cool air in. Fits most athletic, casual, dress, and hiking shoes which come with removable footbeds.