PRADA Milano 15.5 (39) Floral Textured Ivory Lightweight Cotton Dress Shirt
Measurements are as follows:
Pit to pit ~ 21”
Waist across at slimmest point ~ 19.75”
Sleeve length from top shoulder seam to cuff ~ 23.5”
Length ~ 28.5”
It used to be a slimmer fit but the darts on the back were removed