The Darn Tough Vertex No-Show Ultralight Cushion Socks are highly regarded among women ultrarunners for their durability and performance. These socks are made with a blend of merino wool and synthetic fibers, providing moisture-wicking and odor-resistant properties. The ultralight cushioning offers just the right amount of support without adding bulk. The seamless construction and reinforced heel and toe ensure long-lasting comfort and protection. With their exceptional quality and performance, these socks are a top choice for women's ultrarunning.