Sold as a three-pair pack. Low-cut sock sits at the ankle. 4 Degree elite fit system utilizes two different elastics to enhance stretch and recovery. ReliaWool in high-impact areas of the foot provides long-lasting wear. 200 needle construction provides high-density cushioning without compromising its light weight feel. Strategically-placed mesh vents. Nearly seamless toe. 52 percent merino wool, 45 percent nylon, 3 percent elastane. Machine wash warm inside out on gentle. Tumble dry low, lay flat, or line dry. Made in the U.S.A. from imported yarns.