Not just for travel! Your feet will thank you for providing arch support, no-feel toe seams and moisture escape panels for a dry and comfortable fit. Our mid-calf length socks will wick away moisture and help prevent blisters. For both women and men. Wash them in a sink in the evening, wring in a towel, and they"ll be dry by morning. Colors: Black and Khaki. Consider getting one of each color. Fabric Story: Made from 49% polypropylene, 46% nylon and 5% Lycra. This blended fabric gives our socks their excellent moisture wicking action, fast-drying capability, durability, and comfort in the evening. Washing Instructions: Machine wash and air dry. Wash them in a hotel sink, wring them in a towel, and they"ll be dry in the morning. Sizing: Small: children"s shoe size 1- 4, women"s 4 - 6, Medium: women"s 6 1/2 - 10, men"s 5 - 8 1/2, Large: women"s 10 1/2 - 13 1/2, men"s 9 -12, X-Large: men"s 12 1/2 - 15.