A SLEEVELESS DESIGN FOR WARM-WEATHER COMFORT. The Nike Sportswear Tank sets you up with a soft cotton jersey feel and bold branding at the chest for warm-weather comfort and style. More Details Standard fit for relaxed, easy feel Fabric: 80-100% cotton/0-20% polyester Machine wash Imported Note: Material percentages may vary depending on color. Check label for actual content. 100% COTTON nike Nike Mens NSW Tank Icon AR4991 013