The H-style back straps can get twisted ... We opted not to test Happy! Carriers (the Original Baby Carrier and Revolution) for availability reasons. The Infantino Carry On is an inexpensive ...

Unlike other sling-style carriers, the Dreamgenii snuggleroo comes with built-in back straps ... wear this with a baby over one year old, but our littlest tester seemed very happy, often snoozing ...