Deceptively Simple. At First Gaze Denz Has All The Modesty Of A Turtleneck Dress, While The Barely There Back Reveals The Opposite. Double Layered In Our Lightweight Stretch Baby Rib. Details • 52% Recycled Cotton, 43% Tencel, 5% Spandex • Mock Neck And Completely Open Back • Stretchy Ribbed Knit Cotton, Slightly Sheer In White • Machine Wash Cold, Tumble Dry Low