80% Cotton MATERIAL -- 80% Cotton; Other materials : 17% Nylon, 2% Spandex, 1% Elastic.These warm socks hit about knee high, the socks is very soft, elastic and stretchable will suitable for your feet.Extra thick as picture. Our super thick cotton socks are heavyweight for cold weather.Very soft and warm. Heavy More Than Compared With The Normal Socks.It will keep your feet warm in cold seasons. SIZE CARE -- One size fits most person( US Women 5 - 10/US Men 6 - 13), Please do not iron them and suggesting wash them by hand, high quality socks require the proper care advice wash before wear BEST GIFTS IDEAS --Knee High Socks are perfect as present for home wear and outdoor activities. You also could choose for your girlfriend, wife, daughter, father,mother, as Thanksgiving gifts, birthdays gifts, Christmas gifts and so on. Multi-Function : Heavyweight for cold weather;You are no longer afraid of this cold winter,this socks is very soft, breathable, durable and will keep your feet comfortable and warm,high quality thermal socks are suitable for different situation, you can wear them as office, school, hiking, outdoor, sport, indoor, home, work, heavy duty socks, dress, boot socks, christmas socks in Spring, fall, winter season or in any cold weather or snow areas