Sz.M*Mens Dark Green Military-Style Jacket--Button-Front--Lined

**Dark Green Military-Style Jacket** -was given to me -I don't know anything about this jacket!! -it looks authentic -it is heavy...wool?? -it is lined -button-front -no size tag but I am guessing a M-- check the measurements below -it looks pretty good -Sz.M -chest: 22" armpit to armpit -length: 25" shoulder to hem