All our knee socks consist of more than 80% cotton, making them very soft, stretchable, breathable and durable socks and keep your feet comfortable. When in doubt, give the gift of great quality socks for your loved ones. Do not stress and no further than our premium quality socks for any birthdays, Mother's Day, Christmas, etc. It do not slide down throughout the day. Our knee socks have a very flat seam at the toe for superior comfort