Size Chart.

Size	XS	S	M	L	XL	2XL	3XL
Chest Width (cm)	53	55	57	59	61	63	65
Back Length (cm)	61	63	65	67	69	71	73
Shoulder Width (cm)	42	43.5	45	46.5	48	49.5	51
Bottom Width (cm)	55	57	59	61	63	65	67