Open-back tank with a relaxed, draped fit. Features adjustable straps and back button closures for a customizable fit. Model is 5'8" and wearing JOAH BROWN XS MADE IN USA Ultra comfortable, softer than soft, and breathable. It's a hard-to-beat trio in our famous modal fabric. You'll live in it, and we don't blame you. - 96% Micro Modal, 4% Spandex - Machine Wash Cold. Lay Flat to Dry.