First of all, let's clarify what you mean by size Medium. I'd imagine size Medium in suit's size is 46-48, not 50.
If you want something more fun, try the following labels:
burberry prorsum (not sure if yoox have them though. if they do, I believe they dont separate them from the regular burberry line)
dries van noten,
you might have your luck in
vitor & rolf,
The down side is it's really hard to...