UPDATE: There will be no changes to the Pria 85 car seat for 2015. Check out the current version on our site. Surround your baby in comfort with the Pria 85 Convertible Car Seat, the only convertible car seat rated to 85 pounds. The Pria 85 is the only premium convertible car seat that offers a first-class ride from 14-85 pounds. Featuring CosiComfort, the premium fabrics and padding ensure the most comfort for your child. The Pria 85 is also specially designed to fit better in your car, allowing for more room for your passengers to stretch out in the front seats.