Our best-selling and most loved 3 Across All-In-Oneandtrade convertible car seat, now improved. Up to 10 years of use, optimized safety and new 2-in-1 anti-rebound bar and calf support, the Radianandreg 3RXTandreg SafePlusandreg Max is top-tier in comfort and protection.

10 Years 1 Car Seat - From birth to booster (4-120 lb.) it's all you will need. Grows with your child with ultimate protection on every road trip. Complete with 4 modes in 1 seat!

SafePlus Engineering - Allows for rear-facing up to 50 lb., with 3 modes of newborn protection, and 2-in-1 anti-rebound bar and calf support to reduce rebound rotation.

Fits 3-Across - Our famous slim-fit design with SafePlus 8-layer side impact protection and zero compromises to safety, space, or comfort.

Reinforced Automotive Grade High-Strength Steel Core - Complete with multi-position calf support, our unique core shell shields and protects your child.

100% Polyester

Spot clean

Baby, we want you to know…​

The box might have some wear, but it’s what’s inside that counts.