This Made Me Mad YouTube Karlie Toucan Fruit Puff Sleeve Button Down Top. Desiree is wearing a size medium. Runs true to size! MEASUREMENTS: For the most accurate information on sizing for particular items, please refer to our product descriptions, measurements, and model specs We recommend looking at the Measurements section before purchasing as this will ensure you have the perfect fit! HOW WE MEASURE We measure all of our items on a Flat Surface from seam to seam. TOPS DRESSES Length: Measure length of the top from shoulder seam to end of shirt Bust: Measures across the chest of the top from underarm seam to underarm seam and then doubled. Please note: this bust has stretch! The measurments taken are just when the garment is laying down. It isn't tight Sleeve Length: Measure from the shoulder seam to the bottom of the sleeve Hem Width: Measure from one side of the seam of the hem to the other seam, and then double. SIZE LENGTH BUST HEM WIDTH SLEEVE LENGTH SMALL 23" Front 22. 5" Back 36" 41" 12" MEDIUM 23. 5" Front 23" Back 40" 43" 42" 13" LARGE 24" Front 23. 5" Back 41" 44" 44" 14"