Approx 17.5" across the bust (measured armpit to armpit), approx 14.5" long, elastic around bottom hem can stretch to 18" across but I stretched is approx 12". Sleeves are approx 19" long from armpit to hem of sleeve. Tag says medium but definitely fits like a "True to size Small) ❗️Price firm unless bundled❗️✈️Ships same or next day✈️