The BabyBjorn Miracle is designed to help ease the back strain of baby wearing, with an ergonomic design that helps distribute the baby's weight between the shoulders and waist. It also features a wide-leg position than most carriers. Still, it's best for smaller babies and infants, as users say it's still uncomfortable with larger babies. It's also pricey considering it can only be used to 15 months or 26 pounds.
Ergonomic design distributes weight. The BabyBjorn Miracle gets good reviews for comfort for both mom and baby, but mostly with younger, lighter babies. It has a waist belt that can be adjusted to vary the pressure points on the parent's body and a wider seat to better support the baby. It can be used for infants (at least 8 pounds) without an insert. The shoulder straps are not padded, something parents say they'd like to see.ProsWaist and lumbar support, Supports baby's hips, Two frontal positionsConsOnly accommodates up to 26 pounds, Not as comfortable with bigger babies, Shoulder straps not padded