From the office to the weekend you' ve got things covered with the Smartwool Premium Omano crew sock! Stylish crew sock in a soft merino wool-blend. Premium two-ply construction. Arch brace offers supportive wear. Jacquard-knit detailing. Virtually seamless toe for added comfort. 66% wool 33% nylon 1% elastane. Machine wash warm tumble dry low. Made in the U.S.A.