Best Baby Carrier!

I used and loved the "Baby Ktaan". My daughter was a preemie and it really was a great fit for her when she was Itty bitty!

I'm now looking for a structured baby carrier (NOT A SLING OR WRAP)

Yes I know how wonderful they are but I am asking for advice on a structured baby carrier!

So don't tell me that Solly is the best. No. Thank. You. Lol.

What do you recommend or use based on this criteria?

Also if there was a brand you hated, tell me! And tell me why?!