Youth Size Chart	YS	YM	YL	YXL
No. Size	6-8	10-12	14-16	18-20
Chest Size	24-26	28-30	32-34	36-38
Adult Size Chart	AS	AM	AL	AXL	AXXL
Chest Size	34-36	38-40	42-44	46-48	48-50