Who What Wear Women’s Black And White Polka Dot Ruffle Sleeveless Blouse Size Small new with tags. Measurements: laid flat. Size Small Underarm to underarm: 19.5” Shoulder to hem: 25” Measurements: laid flat. Size medium Underarm to underarm: 21” Shoulder to hem: 26” Measurements: laid flat. Size large Underarm to underarm: 23” Shoulder to hem: 27” Measurements: laid flat. Size XXL Underarm to underarm: 24” Shoulder to hem: 27”