NWT J. Crew Keyhole Back Long Scoop Bottom Tank Tunic Top in classic jet black. 70% Rayon, 30% Polyester lightweight cotton for a perfectly loose, breathable fit. the classic layering top for all year round wear. excellent for spring and summer wear, rock it tucked into a skirt or jeans for a more elegant, put together look. wear with big statement jewelry, a skirt and a blazer for an elegant look. Pair with your favorite dark wash skinny jeans and stiletto pumps for a perfect night out look!