Heatmax Toastie Toes® are air-activated toe warmers with full adhesive on one side that sticks to your socks to provide up to 5 hours of warmth. The Heatmax Toastie Toes® are best used by the active sportsman who will be walking or moving continuously while outdoors in the cold. Heatmax Toastie Toes® are a must have for any outdoor sportsman.