Looking for a sock that keeps your feet warm even in the most frigid weather? The EMS?? Summit Wool socks feature high-performance merino wool with cushioned leg and foot insulation, making them the warmest socks we make. 77% merino wool, 22% stretch nylon, 1% spandex. Cushioned foot and leg. Irritation-free flat toe seam. Elastic rib leg. Imported. 87839024087 18182300019 2097