Smartwool NEW Women's PhD Running Ultra Light Micro with ReliaWool
PhD Running Ultra Light Micro sock with patent pending ReliaWool Technology. Also features 4-Degree Fit System, keeping the sock in place and giving you all-sport versatility. Low profile and durable virtually seamless toe. Women's sock sizes Small (shoe size 4-6.5) Medium (shoe size 7-9.5) Large (shoe size 10-12.5) NOTE Women's size Small fits Youth shoe size 2-4.5)