I went to my measurement for sizing this jacket size in label 52. Posted  label inside jacket in pictures.. label states 52 but measurements need to be checked. Alway measure before buying a blazer suit jacket sport coat. Sizes as follows Waist 44 inches measured from middle closure button all around. Shoulder seam to shoulder seam 20 inches. Chest measured from under armpits all around 46 inches. Sleeve measured from shoulder seam to shoulder seam 20 inches. Length measured from base of collar to end of jacket 31 inches. Made in Italy. 100% Wool Lining Rayon. Inventory 604.