If you’re looking for the one baby carrier to last from birth to toddlerhood - this has got you (and your little one) covered! Designed to carry babies from 0 - 36+ months or 7 lbs to a whopping 45 lbs! With an intuitive design that regulates in width and height, the Boba X is a versatile and fully adjustable carrier that will truly grow with your baby. The carrier for every body, either cinched down to its smallest size to support your tiny newborn or fully extended for the big kids with a generous, roomy fit + toddler seat extenders for your baby. The versatile design will conform to your unique babywearing dyad through every stage and milestone, whether in a front or back carry. It's designed to fully and truly support baby's natural ergonomic position while promoting baby's healthy hip and spine development. Double adjustable signature Boba contoured straps with added PFA’s (perfect fit adjusters) for extra adjustability make it easy to switch between wearers. A bonus crossable option is sure to offer a supportive fit for all parents alike. The wide padded waistband helps support and evenly distribute your baby’s weight (and It even includes a clever little pocket for your keys or phone).