The Britax Chaperone Infant Car Seat, Black has True Side Impact Protection that offers a head restraint creating an extra layer of energy-absorbing foam, keeping the head, neck and spine �in true?or aligned, and deep side walls lined with energy-absorbing foam to distribute crash forces, shield from vehicle intrusion, and contain the head, neck and body. Its Stroller Compatible Design works with BRITAX B-READY, B-NIMBLE, B-SCENE, B-AGILE strollers, using the integrated CLICK & GO adapter system, and CHAPERONE stroller to create a convenient travel system. Also compatible with other major stroller brands when used with BRITAX adapter strap. This truly is a wonderful investment that parents will make especially if they only want the best for their kids. With this, their babies are safe and comfortable.