The Smartwool PhD Run Light Elite Micro Socks are a popular choice among women ultrarunners who value both comfort and performance. These socks are made from a blend of merino wool and synthetic fibers, providing excellent moisture-wicking properties and temperature regulation. The socks feature targeted cushioning in the heel and toe for added comfort and impact absorption. The micro height design ensures a secure fit without adding unnecessary bulk. With their high-quality materials and thoughtful design, these socks are a great investment for women who want to stay comfortable and blister-free during their ultrarunning adventures.