This shirt runs big - it's actually labelled as an xs - but definitely runs S-M. I missed the return window, so here we are! This can easily be causal or sexy... very versatile. From anthro's site: Based in Paris, illustrator, designer, and professional visionary, Florence Balducci creates whimsical works of art that recall her lifelong love of literature, composition, and fashion, while suggesting a magpie’s eye for all things charming and peculiar. Polyester Pullover styling Machine wash Imported 25" L