Pedag Viva Winter protects against cold PLUS a full-length orthotic foot bed. Viva Winter is extremely warm yet low profile to fit most winter boots and shoes. Three layers combine to produce highly effective insulation: 1. Top layer is pure wool for comfort against your skin. 2. Middle layer is high tech foam that encapsulates thousands of tiny body heat trapping air bubbles. 3. Bottom layer is made of a NASA type aluminum heat reflector keeps cold from penetrating from the ground and keeps your body heat in. Viva Winter is also an effective orthotic foot support with semi-rigid longitudinal arch and plantar support, metatarsal pad and heel cushion pad. Viva Winter helps prevent and relieve foot conditions such as Plantar Fasciitis and Metatarsalgia, pronation and supination alignment type issues, etc. Viva Winter supports your entire foot and helps prevent fatigue and increases endurance. Increase your enjoyment of skiing, snowboarding, cross-country skiing and building snowmen. Viva Winter has been awarded the American Podiatric Medical Association (APMA) Seal of Acceptance for promoting foot health.