I dont have any RL polos but I'm 95% sure that I would wear a small and even that wouldn't be slim enough for me... (swimmer's build)
I normally buy small in everything but I based on the measurements provided on the website I bought a medium KW polo.. which fits pretty well although slightly tight around the chest..
You would probably have to buy at least a large...
I agree - ud be at least a large.
im a medium RL custom - i bought a large Wang (lol) and it was too tight. Then i went to buy an X-Large Wang (lol-again) and it was massive on me.
Asked the sales rep - each colour fabric is a different "stretchiness" and some small variations in sizing. So no luck for me:(