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 - Carolina Blue1524.5
Junior Medium - Carolina Blue1625.5
Junior Large - Carolina Blue1826
Junior XL - Carolina Blue1826.5