Size Chart Another popular sock with the ladies at SmartWool, the cushioned Saturnsphere keeps feet warm, dry and comfy. The medium cushioning means the right amount of impact absorption without being too bulky. An arch brace supports the muscles of your feet in the right spots. Features: - Medium cushioning for impact absorption and long days on your feet - Sock Height: Crew - Supportive arch brace - Made in USA of Imported Yarn: 63% Merino Wool, 36% Nylon, 1% Elastane - Only available to ship within the USA - Last Chance: Discontinued Style