Fieldsheer Mobile Warming Wireless Remote Control Merino Wool Heated Socks Unisex Ski Winter Sports

Up to 16 hours of heat under the toes. Wireless controlled 3.7V contoured batteries Merino Wool Blend: 54% Natural Merino Wool, 37% Nylon, 6.6% Polyester, 2.4% Lycra Sweatsheer Moisture Wicking + Natural Merino Wool Anti-Odor Calf Height, Comfort Toe Arch Support Heel and Toe Reinforcement