The original all-in-one convertible car seat designed to fit 3 across and with our famous steel core inside for optimum safety. Now rear-facing for even longer, up to 50 pounds, expect 10 years of safety from just one seat.

• Features

  • 10 Years One Car Seat – from Birth to Booster (5 – 120 lb) it’s all you will need. Grows with your child, ultimate protection on every road trip. 4 modes in 1 seat!

  • Rear Facing for Longer – lovingly engineered to keep your child rear-facing up to 50 lb.

  • Fits 3-Across – our famous slim-fit design with zero compromises to safety, space, or comfort.

  • Mechanically engineered from reinforced automotive grade high-strength steel, our unique core shell shields and protects your child.

  • High-quality ComfortPlus Memory Foam, always included.. 12 Month Warranty

  • Engineered with the famous Diono full steel core for safety you can feel, this high-strength core has inherent integrity and forms an unyielding structure to shield and protect

  • Built from high-quality materials and versatile design for growing children

  • The Radian 3R provides 10 years of service and allows you to rear face even longer, up to 50 pounds so you can keep your child in the safest travel position for as long as possible

  • Radian 3R features easy to remove covers, so when the next journey gets messy, easily remove to machine wash

  • Aluminum reinforced sides and thick energy-absorbing foam distributes crash forces

• Baby, we want you to know

  The box might have some wear, but its whats inside that counts.