EXTENDED USE CONVERTIBLE CAR SEAT - With two modes of use, this seat grows with your child. Use it as a rear-facing car seat from 5 to 50 pounds and then as a forward-facing car seat from 22 to 65 pounds.nSUPERIOR FULL BODY SIDE IMPACT PROTECTION - Air Protect + combines the advanced protection of Air Protect® around the head with patented GCell® HX hexagonal shaped foam for superior protection around the torso.nQUICKFIT HARNESS - With the QuickFit Harness you can easily adjust the harness and headrest height in one simple step to help provide a safer fit for your child as they grow.nADJUSTABLE HEADREST - The 10 position adjustable headrest allows you to give your child a truly customized fit and helps you to keep the important Air Protect Side Impact Protection positioned by their head.nMACHINE WASHABLE - The seat pad on the Safety 1st Advance EX 65 Air+ Convertible Car Seat is both machine washable and dryer safe, making is easy to keep the seat clean.nThe Advance SE 65 Air+ Convertible Car Seat features Air Protect + technology to keep children from 5-65 pounds safer in the car. Air Protect + combines the advanced protection of the Air Protect cushion system with patented GCell HX foam designed with hexagonal shapes for superior protection around the torso. TOGETHER they provide full body side impact protection.In addition to Air Protect +, the Advance SE 65 Air + uses a steel-reinforced metal frame for extra stability and includes a 4-position recline for an optimal fit to your vehicle. We've also included color-coded belt paths and installation labels to help you install it quickly and correctly, which means less time getting it into your car and more time to enjoy the ride.