I would say it fits a 38 tight

Approximate measurements: Total length including buckle 104 cm

largo de manga 52 cm

shoulder to shoulder 45 cm

Size: According to label 44

Camisa Tergal gato I would say it fitsVintage Tergal shirt, with red, grey and white checkered print. *Fun fact : Tergal is a type of synthetic fibre used to make clothes that was marketed in France by the company Rhodiaceta in 1954. It became very fashionable in Spain in the 60s for its durability; these shirts were synonymous with elegance and were the most sought after, as they hardly needed ironing. The word Tergal is a registered trademark made up of ter (polyester) and gal (Gaul) ,