The Diono Radian 3RX is the original slim fit 3 across all-in-one convertible car seat, designed to protect from birth to booster seat (5 - 120 lb / 2.2 - 54 kg). Featuring 12 position adjustable head support, extended rear-facing up to 50 lb and steel reinforced frame, expect 10 years of safety from just one car seat.

12 POSITION HEADREST - Creates a safe and comfortable fit for rear facing, forward facing and booster seat modes. INFANT HEAD SUPPORT LINER - Features padded support for added comfort. Simply remove as your infant transitions from rear-facing to forward facing booster seat. 10 YEARS ONE CAR SEAT - From rear-facing to forward facing Radian 3RX adapts as your child grows from birth to booster. Suitable from 5 – 120 lb / 2.2 - 54 kg.