DESIGN: Ideal performance sock for lacrosse Sweat-wicking fibers, arch pads and foot-locking heel strap for maximum stability Lightweight, comfortable and secure sock Never slip grip air vents Invisible toe seam Compression padding MATERIALS & CARE: 37% TC cotton, 58% micropolyester, 1% nylon, 3% rubber, 1% spandex Machine wash cold Do not bleach Tumble dry low SIZING: S/M (Men's Sizes 4-9) L/XL (Men's Sizes 8-13)