Width is measured across the chest below the sleeves from seam to seam. Height is measured from the bottom of the shirt to the highest point on the shoulder (where the seam meets the neck).

Please note that each product has its own specific sizing chart.
SizeWidth (inches)Height (inches)
Junior Small - Sky Blue1522
Junior Medium - Sky Blue1623.5
Junior Large - Sky Blue1724.5
Junior XL - Sky Blue17.526
Junior 2XL - Sky Blue2027