2-in-1 convertible car seat - Keeps your child safe and comfy through two modes of use: as a rear-facing car seat 14-40 pounds and as an extended-use forward-facing car seat 22-85 poundsSuperior side impact protection - Designed by car seat safety experts, the patented Air Protect advanced cushioning system provides superior protection around your child's headMachine washable fabrics - The seat pad and harness covers are machine washable and removable with simple snaps. There's never a need to uninstallPerfect fit harness - The harness and headrest height adjust easily with just one hand, to provide micro-adjustments for a customized fit and better safety as your child growsExtra-comfortable ride - The Pria 85 Convertible Car seat includes a Cosi Cushion and premium fabrics and padding to provide your child with the best fit and comfort during the ride