US: L to Europe Size 46
Cross-market men’s jacket and coat conversion mapping L specifications into 46.

Analyzing Outerwear Size Equivalence Across Markets
US: L: Features a chest width of 108 (42.5 ), shoulder breadth of 49 (19.3 ), and sleeve length of 91 (35.8 ) with built-in layering allowance.
Europe Size 46: Features a chest width of 96 (37.8 ), shoulder breadth of 45 (17.7 ), and sleeve length of 85 (33.5 ) with built-in layering allowance.