For a sock that's not too thin or thick, look to the Columbia Hiking Medium Weight Crew sock for the right amount of comfort on the trails! ; Sold as a two-pair pack. ; Crew-cut style sits at the calf. ; Self-adjusting welt cuff. ; Ribbed cuff. ; Arch support fights fatigue. ; Deep heel pocket. ; Y-stitch heel. ; Mesh zones offers breathability. ; 90% acrylic, 8% polyester, 1% spandex, 1% rubber. ; Machine wash cold, tumble dry low. ; Imported.