The full length insert slips into the back of the shoe and runs from the heel under the arch and right to the end of the toes. This provides comfort and support all along the length of the foot. This product is suitable for wider fitting shoes such as sports shoes and walking boots that will comfortably accommodate a full length insole. When fitting it into a shoe with a Removable Insoles, such as a sports shoe or walking boot, it’s important to remember to remove this insole before inserting the Scholl Orthaheel Sports.