Youth T-shirt age suitability

Size Ages suitable 
Small  5-6 years 
Medium  7-8 years 
Large 9-11 years 
XL 12-14 years 

Adult T-shirt measurements

Size Width  Length 
Small  47cm 70cm
Medium  52cm 74cm
Large 56.5cm 77.5cm
XL 61cm 81cm
XXL 64cm 84cm