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.

Size Width (inches) Height (inches) Youth Small (6-8) - Royal Blue 17 21 Youth Medium (10-12) - Royal Blue 18 22.5 Youth Large (14-16) - Royal Blue 19 25 Youth XL (18-20) - Royal Blue 20 26 Youth Small (6-8) - Royal Blue 17 22.5 Youth Medium (10-12) - Royal Blue 18.5 27.5