While I don’t have a 365, I’d recommend checking into the Kramer Belt Scabbard. That model is listed on their site. I have one for a 229 as well as a Glock 26, and it’s an excellent holster in my experience. I have one inbound for both a 225 and Smith & Wesson Model 27.
This link is to the Belt Scabbard; they make a “vertical” version of same:
That is exactly how I wear my pistol and I use the Concealment Solutions Cobra holster.... and i've been using that same holster for 10+ years, everytime i get a new pistol I always order the Cobra for it, even if its not going into the regular EDC rotation I still want that holster for it.