Heat Factory Heated Merino Wool Socks are heavyweight and over-the-calf length with a pocket over the toes to insert foot warmers. Heated Merino Wool Socks feature a cushioned arch and reinforced heel. Includes one pair of Heat Factory foot warmers. 71% acrylic, 15% nylon, 12% Merino wool, 1% rubber, 1% other fiber.
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