size guide

boxy fit. size down if you don't like that.

size	chest (cm)	length (cm)	sleeve (cm)
s	108	68	60
m	114	70	62
l	120	72	64
xl	126	74	66
xxl	132	76	68
staff (age 6–9)	72	48	41
staff (age 10–12)	80	54	47

measured flat. give or take 2cm depending on who measured it and how their shift was going.