These are wedges to help treat ailments in the Achilles heel. It is a device used to walk comfortably during some foot treatments, and it functions as an ankle orthosis. Its materials help provide better stability in the foot while walking, as they are divided into two parts. The first is a stabilizing heel cup, while the second is an adhesive that allows for greater comfort. Prim wedges are designed to be used by anyone. In this case, size 2 or medium is indicated for use by people whose shoe size is between 38 and 42. This product has no medical contraindications and can be used throughout the day without any concerns. Do not overuse it.