This doesn't affect the use of the jacket

Has a name written on the inner label but aside from this minimal prior use

Collar to Hem: 24

Chest Size: 48" | Suggested Size: Large Slim - Label suggests a chest around 104cm

but if you frequently use these for airsoft or the outdoors

US Navy 80s Black Long Sleeve Service Shirt - Medium DDR This doesn't affect the useAt a glance 65% Polyester & 35% Rayon Blend Material 2 Button Chest Pockets Button Closure Engraved Anchor Buttons Long Sleeve Petty Officer First Class Rank Patch "U. S. S. ANZIO" Station Patch Made in the USA Button Cuffs Cold War & 'Nam Era Solid Jet Black Colour Chest Size: 45" Suggested Size: Medium Regular Label states "15 1 2 32" Sleeve Length: 22. 5" Short Collar to Hem: 30" Vintage Retro Militaria 1985 Genuine US Armed Forces United States