The Terramar Battery Sock is a wool blend sock with a reinforced toe and heel. The battery operated ultimate foot warmer keeps your feet warm and comfortable all day long. D-cell Batteries are comfortably carried in snap closed pouches.
• 45% Acrylic/ 32% Wool/ 22% Nylon/ 1% Rubber
• Hand Wash
• Battery snap pouch pocket for battery storage
• Wool blend for superior moisture management
• Heel and toe reinforced for durability
• When hand washing do not wring sock simply hang or let flat to dry
• All over cushion for shock, absorption and abrasion prevention
I wish they worked - by John from WI
Bought two pair, for my girlfrleind amd I, and neither pair warmed at all. Going to be returning them next week.