Please see the fit on the pictures of the similar product "Baby flannel shirt".
Baby flannel shirt
100% cotton flannel shirt with a particularly smooth feel, loose fit with 2 rows of buttons, wide round cuff with a front extended opener, this shirt is made out of the luxury stock fabric manufactured in the North of Italy. With sustainability in mind, AG only works with the fabric factory existing stock. This particular color combination was realised for 2 shirts only. It is available in IT 40 size (international M size) and IT 42 (international L size).