I went and looked at the Hellcat with my dad, it fit his hand, but the trigger wasn't that great. Yes it was brand new and firing a bunch would smooth it out but it wasn't a nice one to me. You can get the OSP version or the iron sight version depends on what you want to spend. The Hellcat supposedly has some build issues but it's brand new and they are still working out the bugs. The 365 has been out for a little bit and I haven't really heard to much bad about them. The Kimber.... I looked at and wasn't a fan of, probably because it didn't fit my hands.
https://aliengearholsters.com/blog/sig-p365-vs-springfield-hellcat/I know it doesn't relate to the above 3 pistols :
I will say the clerk tried selling me the small single stack glock 43 in 9mm and it wasn't bad but again just didn't feel to comfortable in my hands. The 43X wasn't too bad, but if I had to choose a single stack 9, I'd have to go with the Shield. It just felt more at home in my hand I guess you could say. The new texture on the grip is pretty good, so it shouldn't move around while firing.