The Smartwool PhD Outdoor Light Micro Socks are top-rated trail running socks for women. These socks are crafted with a blend of merino wool and synthetic fibers, offering excellent moisture management and temperature regulation. The light cushioning provides impact protection without sacrificing a close fit. The 4 Degree Elite Fit System ensures a secure and comfortable fit, while the Virtually Seamless toe construction prevents blisters and irritation. Whether you're tackling rocky terrains or muddy trails, these socks will keep your feet comfortable and dry throughout your run.