Ergonomic, soft & flexible front & back baby carrier. This latest version of Baby Carrier One is even softer & more pliable, so it's easy for you to feel if your baby is sitting in a natural position. The maximum seat width is wider & the head support is higher. It's fully adjustable, so you can adapt it to exactly the right size for you & your baby from newborn. Ergonomic, soft & comfortable. Fully adjustable size & seat width. Baby wearing from 0 to 3 years, plus facing-out & back carrying.