About this item Made of : Cotton Woolen Function : Sweat Absorption, Anti -proof Size : average (about 52 cm long) Package included : 1 Pair Knee Length Warm Socks Knit Thermal Socks are suitable for office, school, hiking, outdoor, sport, indoor, around the house, work,, dress, boot socks, christmas socks in Spring, fall, winter season or in any cold weather or snow areas.