Allegiance Convertible Car Seat

by Britax

Allegiance Convertible Car Seat

by Britax



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Please note, manufacture dates on clearout seats may vary from 2017-2020.
The Allegiance is safe and comfy for your little one while you’re on the go. Britax SafeCell Impact Protection is a system of patented safety features that provide advanced protection. A foam-lined shell provides side impact protection in the event of a crash. Plus, installation is easy using lower anchors that lock into place with a click and are released with the push of a button.


  • SafeCell Complete Side Impact Protection: Surrounds your child in a deep protective shell designed to absorb crash forces and shield your child
  • 10-position harness: Easily adjusts to keep up with your growing baby
  • Side Impact Protection: Helps keep your baby safe during a collision with an energy-absorbing shell.
  • Removable Infant Body Pillow ensures newborns are properly positioned and cozy.
  • Built-in Lock-Offs ensure a snug vehicle seat belt installation with minimal effort
  • Lower anchors lock into place with a click, and are released with the push of a button 3-position recline adjusts for your child’s comfort and the safest installation angle
  • EZ-Buckle System retains the harness buckle in a forward position and prevents the child from sitting on the buckle when boarding 
  • Easily removable for cleaning


  • Child Weight (lbs): Rear Facing: 5 - 40 (2.3 - 18 kg)
  • Child Weight (lbs): Forward Facing: 20 and walks unassisted, up to 65 (9.1 kg and walks unassisted, up to 29.4 kg)
  • Child Standing Height (in): 49 or less (124.5 cm or less)
  • Child Seated Shoulder Height (in): Rear Facing: 9 - 16.75 (22.9 - 42.5 cm)
  • Child Seated Shoulder Height (in): Forward Facing: 12 - 16.75 (30.5 - 42.5 cm)
  • Product Weight (lbs): 19.5 (8.8 kg)
  • Product Dimensions (in): 18.65W x 26H x 21D (47W x 66H x 53.3D cm)
  • Seat Area Depth / Width (in): 11 / 11 (27.9 / 27.9 cm)
  • Shoulder Width (in): 13 (33 cm)
  • Harness Slot Heights (in): 8.5 to 10.5 (21.6 to 44.5 cm), 10 positions
  • Buckle Strap Depths (in): 5 / 7.5 (12.7 / 19.1 cm)

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