The original radian® 3 across | Built with Diono s famous Radian® slim fit convertible design for a 3-across option (only with Diono Radian® combinations), without compromising child or passenger comfort. Feel safe having your children secure in the backseat.

Safe+® 2-in-1 anti-rebound panel and adjustable calf support | 1. Anti-rebound panel increases stability when rear-facing and reduces rebound rotation by up to 50%. 2. Adjustable calf support and comfort liner provides additional comfort as they transition to forward-facing.

The ultimate radian all-in-one convertible car seat | From infant to booster seat, rear and forward facing the Radian® 3QXT adapts as your child grows for 10 years of use (4 – 120 lb) 4-in-1 newborn protection | Designed for safe rear facing travel from 4 – 50 lb complete with Safe+® inserts and Safe+® steel anti-rebound bar to reduce rebound rotation by 50%.

Exclusive premium fashion | Designed with mesh panels and premium fabrics. Easy remove and machine washable for comfort, convenience and style All-in-One.

Safe+® engineering | The most rigorously tested Radian® all-in-one convertible car seat; featuring Safe+® steel rear facing anti-rebound bar, steel reinforced frame, advanced side impact protection and diono SuperLATCH attachment.

One hand easy adjust 12 position headrest | Contoured to improve child head containment and provides a 22% increase in occupancy range from the radian R series.

Fit 3 Diono 3QXT+ across | Built with the famous Radian® slim fit convertible design for a 3-across option only with Diono Radian® combinations, without compromising child or passenger comfort. Feel safe having your children secure in the backseat.