Size Guide Classic Button-Down Shirt

S M L XL
Chest inch 38.6 40.9 44.1 47.2
Chest cm 98 103.9 112 119.9
Waist inch 37.8 40.9 44.1 47.2
Waist cm 96 103.9 112 119.9
Arm length inch 23.6 24 24.6 25.2
Arm length cm 59.9 61 62.5 64
Neckline inch 15 15.4 15.9 16.4
Neckline cm 38.1 39.1 40.4 41.7