Tackle the peaks in comfort and style with these Columbia Moisture Control Basic Crew 2-Pack of socks. Crew-cut sits at the calf. Sold as two-pair pack Elastic arch support helps fight fatigue. Mesh ventilation panels help provide added breathability. Half cushion design places support where it's needed most. Branding on shaft. 73% polyester 20% cotton 3% olefin 2% rayon 1% rubber 1% spandex. Machine wash tumble dry.