Hello, this is a good condition pre-owned shirt. the measurements are: underarm to underarm 17.5" and underarm to bottom is 18.5". Please view my store and other listings for lots more boys and girls clothes, new and pre owned. Thanks for looking, I ship Mon thru Fri so you get your items fast. I have a smoke free home. I ship to your confirmed ship to address unless you contact me prior to shipment, thanks for looking!!! Most of my items are here today and gone tomorrow! Thanks for adding them your watching list but remember: Even though I am always looking for more, what you see is what I have! When they're gone they are gone! I ship daily!