Some days with your baby are literally a walk in the park—and a traditional stroller, with a comfy seat and oodles of storage to stash snacks, balls, and sandbox toys, is exactly what you need.
Never push a reclining infant on rough terrain ... hear a "click" when you add any pieces to the stroller chassis, and always jiggle the seat to make sure it's secure. Another option..
Most umbrella strollers are designed to carry babies 6 months and older, when they typically can sit up on their own. While inexpensive models have a fixed, non-reclining seat, pricier umbrella ...