Experience unmatched comforts. These blue socks are designed for durability and style, perfect for everyday wear. These are Darn Tough Vermont socks, specifically a women's casual model featuring a "swallow" pattern in a navy and light gray. Size: Women’s Large Brand: Darn Tough Vermont. Key Features: These socks are famous for being unconditionally guaranteed for life; the company will replace them if they ever wear out. Materials: made from a high-quality Merino wool blend, which provides moisture-wicking and odor-resistant properties. Origin: manufactured in Northfield, Vermont, USA, using globally sourced yarns.