An extra layer of side impact protection makes the Emblem Convertible Car Seat an even safer seat for your growing baby. Designed with Britax safety technologies to help provide peace of mind when you're on-the-go. This car seat includes SafeCell Impact Protection – a system of patented safety features designed to help keep baby safe and sound and two layers of side impact protection include a deep, foam-lined shell and adjustable head rest provides side impact protection to help surround your baby in safety.