Don't fear the weather in the soft and tough Darn Tough Vermont Mountaineering Over the Calf Extra Cushion Socks. Sold as a one-pair pack. Over-the-calf socks. Performance Fit prevents slipping, bunching, and blistering. Three integrated ribbed zones for pressure relieving wear. Fine-gauge knitting for great next-to-foot feel. Self-adjusting welt cuff. Merino wool with all weather performance keeps feet cool in the summer and warm in the winter. Fast action wicking material is fast drying. Extra cushion for high-density, comfortable, performance wear. Elastic arch support. Deep heel pocket. Y-stitch heel. True Seamless toe for undetectable seam fusion and an ultra-smooth feel. 72% merino wool, 26% nylon, 2% Lycra spandex. Machine wash cold, dry flat. Made in the U.S.A.