You have been asking for a longer ElimiTick sock for years! And now you have it! 13 inches from heel to top for maximum protection and comfort. Make our ElimiTick sock your first line of defense in repelling ticks. ElimiTick socks are designed for comfort and wicking moisture. They dry fast and offer a cushion sole using state-of-the-art yarns. ** Washing Instructions : Machine wash cold. Wash with like colors. Only non-chlorine bleach(if needed). Tumble dry low or hang dry. DO NOT DRY CLEAN