Blend of 50% soft ring-spun cotton for comfort and 50% polyester for strength and durability. Taped shoulder & neck seams to prevent sagging Seamless neckband Neatly hemmed sleeve won't flare up or bind Set-in sleeves, contoured for free & easy movement Generous length won't ride up or pull out Tagless label for comfort 50% Cotton 50% Polyester Easy care. Machine wash warm. Tumble dry medium. Medium iron. Do NOT use fabric softener.