Adult Shirt Short Sleeve

Size Guide x-small: 13"-13.5" (34cm) Collar - 36" (91cm) Chest small: 14"-14.5" (37cm) Collar - 38" (96cm) Chest medium: 15"-15.5" (39cm) Collar - 40" (101cm) Chest large: 16"-16.5" (42cm) Collar - 42" (107cm) Chest x-large: 17"-17.5" (44cm) Collar - 44" (111cm) Chest xx-large: 18"-18.5" (47cm) Collar - 46" (117cm) Chest