This knee-high boot sock offers an ideal blend of 60% acrylic, 20% merino wool, 17% nylon and 3% spandex for durability and comfort. Specialty moisture wicking material keeps feet dry and free of chaffing. Soft merino wool makes socks breathable in summer and insulating in winter. Fits women's shoe size 6-9. Machine wash. Available in brown and black. Socks Knee-High :: Brown