From your fresh newborn to your mobile toddler (7-45lbs) - the Boba X has you covered. Wear your littlest one (without an insert!) and wear them well. No need to boost your baby up in the carrier because the height is adjustable, just like the width! Our innovative seat slides and locks to support your baby’s unique body, always ensuring total knee to knee support. The Boba X comes with a bouquet of thoughtful touches- a quick release breastfeeding assist buckle, a purse holder strap, two discreet hidden zippered pockets, a merciful elastic chest strap that makes everything more flexible and toddler seat extensions for the comfiest ride. Beauty and magic!