LAID FLAT, THE T-SHIRT MEASURES 19" ACROSS THE CHEST FROM UNDERARM TO UNDERARM AND 24.5" LONG FROM THE TOP OF THE SHOULDER TO THE BOTTOM HEM. THE SIZE TAG IS MISSING BUT IT FITS LIKE A MEN'S SMALL. IT'S SINGLE STITCHED AND 100% COTTON. IT'S BUTTERY SOFT AND THIN FROM DECADES OF WEAR.