Sheer Yellow Hi-Low Collared Tank w/ Back Cutout. Size: Medium. 100% Polyester. With the collar all the way up, the front is approx. 22in long laid flat, while the back is approx. 31in long laid flat, while the width at the waist is approx. 18.5in wide laid flat. It's sheer, so it's see-through and breezy. It doesn't stretch much, so it's true to size.