I just wanted to say that there is a huge difference between ring slings and pouch slings (Bubba Moe and Mini Monkey are pouch slings). With ring slings you can adjust the two rails independently and get a fantastic, safe and comfortable fit, for you and your baby, from birth through to toddlerhood. Pouch slings have a closed tail so you can’t adjust either of the rails. They usually have a buckle that you can open and close and pull tighter to bring the sling closer to your body. They really can’t be safely used with a newborn and are only of limited use with older babies and toddlers because it is impossible to adjust them so that you get a really snug and secure fit. Ring slings are awesome and so versatile, I can’t recommend them highly enough. HTH.
Yeah, definitely has to be a proper ring sling not a pouch, I had a pouch with DD1 and it was horrible, even as a toddler I could never get it comfortable!

Will also add that a with a ring sling you can wear the baby upright.