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) - Black Youth Small (6-8) - Oxford Grey 15 20 Youth Medium (10-12) - Black 18 23 Youth Medium (10-12) - Oxford Grey 17 23 Youth Large (14-16) - Black 18 24 Youth Large (14-16) - Oxford Grey 17.5 24 Youth Large (14-16) - Silver 18 24 Youth XL (18-20) - Black 19 25.5 Youth XL (18-20) - Oxford Grey 18.5 27 Youth XL (18-20) - Silver 19.5 25.5