The Darn Tough Vertex No-Show Ultralight Cushion Socks are a must-have for women who are serious about ultrarunning. These socks are made with a blend of merino wool and synthetic fibers, providing excellent moisture management and temperature regulation. The ultralight cushioning offers maximum impact protection without adding bulk. The True Seamless construction ensures a smooth and comfortable fit, while the performance fit prevents slipping and bunching. These socks also feature a no-show design that is perfect for wearing with your favorite running shoes. Whether you're training for a race or going for a long run, these socks will keep your feet happy and blister-free.