Easy safecenter latch makes it simple to tighten and secure the infant car seat base in your vehicle 2 layers of side impact protection, with deep foam-lined shell and quick-adjust head protection, absorb energy and shield your child from severe collision SafeCell impact protection is an integrated system of safety components that work to protect your child beyond federal standards Impact-absorbing base compresses to reduce the rough force of a crash Impact-stabilizing steel frame offers superior strength where you need it most: at the connection point to the vehicle