What are orthotics? Custom-fit orthotics are shoe inserts prescribed by physicians that help relieve a variety of pains and aches. In the office, a doctor or nurse wraps a caste mold around a person’s feet in a way that gives a proper outlining and size of the patient’s heel, arch, and toes. Because each foot is unique, this mold will create an orthotic that perfectly fits the identity of one’s foot. The goal is to give support to each area and also absorb shock, relieve pres