This specially engineered fabric delivers a unique type of softness that can still wick sweat like a champ. It's lightweight, it's breathable, and it's ready to work. Super-soft & stretchy performance knit fabric delivers support & lasting comfort Material wicks sweat & dries really fast 4-way stretch material moves better in every direction Ribbed collar Style #: 1376339 78% Polyester/22% Elastane Imported Loose:Fuller cut for complete comfort. Machine wash cold with like colors Do not bleach Tumble dry low Do not iron Do not use softeners Do not dry clean