Size Chart These casual socks feature a diagonal striped knit pattern.. With arch and ankle support. Non-cushioned for maximum performance in close-fitting shoes. Features: - SmartWool(R) Fit System - Ultra Light Cushion - Sock Height: Crew - Knit in USA of Imported Yarn: 55% Merino wool, 43% nylon, 2% elastane - Last Chance: Discontinued Style - Only available to ship within the USA