The Baby Jogger® Summit™ X3 Jogging Stroller outmaneuvers other strollers on any terrain. This stroller/jogger hybrid is equipped with a handlebar-mounted swivel lock for your convenience. Simply flip the lever to lock the front wheel when you're off for a run or release to swivel mode for walking. Choose from plenty of add-on accessories (sold separately) to customize the stroller for you and your child's comfort and enjoyment. All-wheel suspension and a unique, hand-operated deceleration brake offer increased control and added safety as you hit the pavement. The Summit™ X3 sports a padded near-flat reclining seat and a vented seat top to increase airflow when reclined. Features: -A near-flat seat recline and side vents for increased air circulation will keep your child cool and comfortable -Create a travel system with Baby Jogger, Britax, Chicco, Graco or Peg Perego infant car seats (car seat and adapter sold separately); consult your pediatrician before jogging with a baby under 6 months old -Convenient seatback storage and a large under-seat storage basket provide enough space so you always have everything you need within reach -UV 50+ canopy with peekaboo window keeps child shaded while allowing you to easily check in -Supports children up to 75 lb -A large, adjustable sun canopy with a peekaboo window and side ventilation panels -Plenty of storage -Rear parking brake