It is a wedge to help treat Achilles heel pain. It is a device that is used to walk comfortably during some foot treatments, and works as an ankle orthosis. Its materials help to have a better stability in the foot when walking, as they are divided into two parts. The first is a stabilizing heel pad, while the second is an adhesive that allows for greater comfort. Prim wedges are designed to be worn 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 concern. Do not abuse its use.