Prasanna Batiks Boys Button Down Shirt Size S/M (see description)

Prasanna Batiks Boys Button Down Shirt Size S/M (see description). Handmade NWT shirts from Sri Lanka. Shirt tag shows Size Large but this is not a US size large. Based on measurements and sizing charts this would be equivalent to a US boys size S/M. Please see measurements and sizing charts (in photos). Measurements: Armpit to armpit (flat lay) 15” Chest 30” Length 21” Shoulder 12”