Keep your feet warm and avoid discomfort, numbness, and poor circulation in your extremities with Fieldsheer’s® merino heated socks. Powered by the robust Powersheer® Micro 3.7 V lithium-ion battery that provides long-lasting warmth for up to 10 hours on a single charge. The wool/polyester blend materials are odour-resistant and wick moisture away from the skin to keep you comfortable all day, no matter how harsh the conditions. Since 1978 Fieldsheer has been designing and manufacturing rugged, performance-driven gear for avid outdoor enthusiasts, motorcyclists, workers, and more.