Size Chart When you want the look of no socks but not the odor, the No Show comes to the rescue. Its Merino blend regulates temperature and sweat to keep feet fresh. Features: - Non-cushioned for maximum performance in close-fitting shoes - Sock Height: No Show - Internal gripper at heel - Knit in Korea: 63% Merino Wool, 36% Nylon, 1% Elastane - Only available to ship within the USA - Last Chance: Discontinued Style