A multi-technical sock by KEEN geared for the busy individual on the go. Features an anatomical flex fit system providing the perfect fit for your left and right foot. Ravel free double welt top construction so sock stays up. Cushioned heel and toe areas for lasting comfort. Y heel pockets for a better fit. Arch band for support. Reinforced toe and heel for added comfort. Consists of 60% Merino wool, 35% nylon, 3% Lycra spandex , 2% polyester. Machine wash warm inside out, do not bleach, tumble dry low or air dry. Crew cut for a more comfortable feel. Available in a 3 pair pack.