Scuba fabric is often associated with figure hugging body contour dresses or full skirts, but it's structure and shape are also perfect for making a top that hangs away from the body. Some single knits have a nasty habit of migrating towards skin creases, which for plus size sewing is not always the most flattering look.
Because of the 2 contrasting fabrics, the raglan tee sleeve style would be easy to make a flattering look. Especially with a bit of curve to the shape to give it a more feminine and grown up look.