VIVA SUMMER is a full length orthotic insole, German hand-made elegant, and durable. Air circulates and feet stay dry and comfortable. Made of natural, durable cotton terry with anti-bacterial silver and natural sisal fibers padding. Great to wear barefoot. pedag VIVA SUMMER has a "universal" foot bed for all shoes and boots. The orthotic features a semi-rigid longitudinal arch and plantar vault, a built-in orthopedic metatarsal pad for the latitudinal arch (metatarsal) and a substantial heel cushion. Awarded the American Podiatric Medical Association (APMA) Seal of Acceptance for promoting foot health.