Socks matter when you spend all day on your feet. These comfortable crew socks wick sweat and feature ribbed channels for superior ventilation.,97/3 polyester/elastane,Carhartt Force technology wicks sweat, dries fast and fights odors,Enhanced heel pocket for a secure fit,Ribbed channels to improve ventilation on leg,Mesh instep for breathability,Heel, arch and toe cushioning,Carhartt logo knit into top of sock at toe,Large: US men's shoe size 9-11.5; US women's shoe size 10-12.5,X-Large: US men's shoe size 12-14.5