Fair Isle Tree Knee High Socks for babies, toddlers and kids. These classic fair isle tree socks are perfect for the holidays! Available in sizes: 0-6 months, 6-18 months, 1.5-3 years, 4-6 years & 7-10 years. Machine wash cold with like colors. Tumble dry low or lay flat to dry. 76% cotton / 22% polyester / 2% spandex Imported.