Field4U Women's Soft Bamboo Warm Sport Socks 5 Pairs [Apparel] High quality, ship fast from China via USPS with tracking No. normally it takes 7~15 days to arrive. Fits shoe sizes 5-8. One size for teens and ladies colors: white,black,purple,pink,blue Made from 57% bamboo fiber, 24% combed cotton, 17% nylon, 2% spandex Socks function: Moisture wicking, Super Cool in Spring or summer, Super soft and comfortable