Zimmerli's black Richelieu tank is crafted of cotton rib-knit. Using a knitting process that dates back to the 1930s, the Richelieu Collection's incredibly soft fabric allows for elasticity without the addition of synthetic fibers. From the Richelieu Collection. Pulls over. Available in Black. 100% cotton. Machine wash. Made in Switzerland. Our model is 5'10"/178cm and wearing a size Small. Zimmerli Women's Richelieu Cotton Tank - 86 Black Size M A great designer gift. Shop Zimmerli at Barneys New York.;Cotton