fits true to size.
sizes are us sizes. order your regular men's blazer or men's suit jacket size.
this jacket comes in 3 lengths designated by the letter r,s or l after the chest size.
r = regular length, typically fine for men between 5'8" - 6'2"
l = long, has an extra ~1.5" in the sleeve for very tall or lanky figures
s = short, sleeves are ~1.5" shorter for shorter or stockier figures