Comfort and control in your warm and breathable Columbia socks. ; Sold as a four-pair pack. ; Crew-cut style sits at the calf. ; Self-adjusting welt cuff. ; Ribbed cuff. ; Advanced moisture control. ; Elastic arch support prevents fatigue. ; Full cushion leg for optimal comfort. ; Deep heel pocket. ; Y-stitch heel. ; 67% polyester, 20% cotton, 5% olefin, 3% viscose, 2% rubber, 1% acrylic, 1% modal, 1% spandex. ; Machine wash cold, tumble dry low. ; Imported.