The Darn Tough Women's Vertex No Show Tab Ultra-Light Cushion Socks are a top choice for women who are serious about ultrarunning. These socks are made in the USA using high-quality merino wool, ensuring exceptional comfort, moisture-wicking, and odor resistance. The ultra-light cushioning provides just the right amount of support and impact protection without adding bulk. The seamless construction eliminates friction and blisters, while the reinforced heel and toe offer extra durability. These socks also feature a performance fit that prevents slipping and bunching, ensuring a secure and comfortable fit throughout your run. Whether you're tackling long distances or challenging terrains, the Darn Tough Women's Vertex No Show Tab Ultra-Light Cushion Socks are designed to keep your feet happy and blister-free.