If you're looking for a baby carrier that does it all and looks pretty good too, Isara The One is a really good choice.
It can be used for children of all sizes, from newborn upwards (from 3 to 20 kg). It can be adjusted gradually so that it always fits perfectly and ergonomically for both the wearer and the child, both in length and width. You can carry on your back, hip or front, with parallel or crossed straps.
We have tried many baby carriers and Isara is really high on the list of carriers. The wrap fabric is nice and soft, the carrier comes in designs to suit most and you can really get away with buying just one harness. Remember that at Abeunger you have free shipping on baby carriers, price guarantee and of course, guidance.