Radian® R Series | diono® All-in-One Car Seat Lineup

What Makes Radian® Great

Safety from birth to booster

Since 2008, we have been on a journey of discovery and development to pioneer in-car child safety. With four great features across all our Radian® family. The original 3 across All-in-One convertible car seat is lovingly engineered with the famous Diono steel core and now rear-facing for even longer, expect 10 years of safety from just one car seat.

The Original 3 Across All-in-One Car Seat

Safety from birth to booster

10 Years One Car Seat

Built from high-quality materials and versatile design for growing children, every Radian® is engineered to provide 10 years of service, so you can keep your child safe from birth to booster.

The Original Three Across Car Seat

Radian’s clever slimline profile allows you to fit three across in your vehicle without compromising child or passenger comfort.

The Original Rear-Facing For Longer Car Seat

With extended rear-facing from birth up to 50 lb / 22.7 kg (approx. 4 years old) every Radian® is engineered to keep your child in the safest travel position for as long as possible.

The Original Steel Core

Every Radian® features a mechanically engineered, reinforced steel core. Made from automotive-grade high strength steel. What better way to protect your child?