The work out Shirts run a bit small, Please read the sizing chart and possibly go up a size if you have a larger bust size. Made of polyester and spandex ,soft, lightweight and comfortable. The work out shirts can absorb any sweat to keep you cool and dry.Breathable , helping to keep you cool during intense workouts.Trendy and?nice look, feel, cut,and color ,making you stand out. Stretchy material, you don't feel restricted with it .