I know it isn't what you asked - all my best shorts are discontinued too, and it seems like you and I prefer similar shorts.

But in terms of a belt, try this one. It is amazing. NO bounce, no ride up, fits snug and flat in the small of my back even with my phone in it. I carry water on my longer runs, but I do all my shorter runs in this belt, and I ran my last marathon in it too with zero problems. It doesn't have number clips, but safety pins don't seem to hurt it.