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The Diono Radian 3RXT is the original slimfit 3 across all-in-one convertible car seat trusted by over a million parents to protect their child from baby to booster seat 5 – 120 pounds. Lovingly engineered with the famous Diono steel reinforced frame and now rear facing for even longer expect 10 years of safety from just one car seat. The 2020 Radian 3RXT provides safe and comfortable baby positioning thanks to the new 2-in-1 infant positioning liner with integrated newborn baby travel high wedge. The wedge creates a lie-flat travel position pushing baby up to reduce head slump while helping to keep airways open. As your baby grows simply remove the wedge to allow the 2-in-1 infant positioning liner to give extra comfort and support. Designed and engineered with complete rear facing protection so you can keep them in a safe rear facing convertible car seat for longer up to 50 pounds. Then as they transition from rear facing to forward facing booster seat the aluminum reinforced headrest can be adjusted to one of 12 positions for safety up to 57 inches tall. Built with a mechanically engineered reinforced steel frame made from automotive grade high strength steel the radian is always ready to shield and protect. And when your family grows the slimfit design will fit 3 across in most vehicles without compromising child safety or passenger comfort. As travel car seat experts Diono have naturally built in super portable features to the Radian 3RXT with original fold for easy transport and storage and steel reinforced cup holder to store essential road trip drinks and snacks. The radian is also aircraft certified FAA approved so you can take safety with you wherever you go.