Zigzag performance socks Item F9091 Size: All sizes are US sizes. Size Charts Quantity: 1 2 3 4 5 6 7 8 9 Prices do not include taxes. Add to Bag Wishlist share: size & fit Product Details Our performance socks are made at a North Carolina mill using a wool blend that's antimicrobial, plus they are designed with padding to protect your feet from the ground. They're perfect for hiking or just about anything active you can think of. Wool/nylon/Lycra® spandex. Machine wash. Made in the USA. Item F9091.