Go back a few years through this forum topic - there are several discussions of the different brands.

The short answer is that there are a number of options out there, but like regular packs, the best pack is the one that fits your body.

I used the REI Piggyback for my son from 1-3.5 years, and the predecessor to the Sherpani Rhumba from 3.5-4.5 years. As my son got heavier and taller, the REI pack didn't accomodate the need to drop the center of gravity down, so I got the Madden pack. Both had their plusses and minuses. I couldn't get my son to sit in a Kelty pack. Don't ask me why, but he absolutely hated it. I know alot of people who hated the Kelty pack, but probably just as many who loved it. It goes back to being a personal comfort issue. The only thing you can do is "test drive" your options with your child.

Peace,
MNS
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