I'm a big fan of kydex, my primary carry is a Raven Phantom with another from www.darkhorseconcealment.com
. I like OWB and mine are very comfortable but again, what works for me won't for someone else.
-Glocks: Gen 4 G17/G19/G42; Gen 3 Zev Tech G17/Vickers Tactical FDE RTF2 G19
-Sigs, HK, Walther, Springfield...etc, etc