Workoutclothing Women's Flowy Racerback Tank Top Imported Made of Cotton-Rayon /spandex Light weight and loose fit flowy style Soft Stretchy and Breathable Fabrics, Relaxed cut for comfort and ease of movement Standard Women's Size (True to Size- See Our Own Picture of Sizing Chart)* Our Model S size 163cm/45kg Wearing Small Size tank top For fitness and exercise