Size Chart The cushioned Saturnsphere keeps feet warm, dry and comfy. These socks feature medium cushioning and built-in arch support. Their narrower profile is tuned for a women's specific fit. Features: - Narrower profile provides a perfect women's specific fit - Medium cushioning for impact absorption and long days on your feet - Sock Height: Crew - Supportive arch brace - Only available to ship within the USA - Made in USA of Imported Yarn: 63% Merino Wool, 36% Nylon, 1% Elastane