For me, the thickest knife I will carry in my pants pocket is my Victorinox Huntsman. Mostly I will carry it in the front pouch in my fanny pack, and also my Leatherman Pulse in the main section of the pack.
For the most part, my in-pocket knife is a Classic, in the left front.
For the most part, my in-pocket knife is a Classic, in the left front.