Skip to product information
1 of 4

Britax Allegiance Convertible Car Seat

Britax Allegiance Convertible Car Seat

3 reviews
Regular price $229.99
Regular price Sale price $229.99
Sale Sold out
Color : Static
Sign in

The Allegiance Convertible Car Seat is the perfect option for your growing baby. When there are so many choices to make, let this be an easy one. With its optimal designs and many safety features, it provides that extra protection while on the go--and let's not forget the removable, machine washable cover!

Why Parents Love Britax Allegiance Convertible Car Seat

  • The seat surrounds your child in a deep protective shell designed to absorb crash forces and shield from debris.
  • The removable cover makes for easy clean-up without having to remove the harness.

Why Children Love Britax Allegiance Convertible Car Seat

  • 10-Position Harness easily adjusts to make it easy to keep proper harness positions as children grow.
  • LATCH connectors lock into place with a click and are released with the push of a button.


  • Deep foam-lined shell - provides side impact protection to help surround baby in safety
  • SafeCell Impact Protection - patented safety features designed to help keep baby safe and sound
  • Impact Absorbing base - compresses to absorb crash energy and counteract forward movement keeping your child clear from the seat in front of them

Installation Options:

  • LATCH connectors lock into place with a click, and are released with the push of a button.

Weight Capacity:

  • Child Weight - Rear Facing: 5 - 40 lb.
  • Child Weight - Forward Facing: 20 - 65 lb.
  • Child Standing Height: 49" or less
  • Child Seated Shoulder Height - Rear Facing: 9" - 16.75"
  • Child Seated Shoulder Height - Forward Facing: 12" - 16.75"

Weight and Dimensions:

  • Product Weight: 19.5 lb.
  • Product Dimensions: 18.5" W x 26" H x 21" D
  • Seat Area Depth / Width: 11" / 11"
  • Shoulder Width: 13"
  • Harness Slot Heights: 8.5" / 9.5" / 10.5" / 11.5" / 12.5" / 13.5" / 14.5" / 15.5" / 16.5" / 17.5"
  • Buckle Strap Depths: 5" / 7.5"

Car Seat Return and Shipping Policy

Car Seat Returns

Due to safety concerns, only unopened car seats can be returned. Safety is our top priority and we want you to keep your kiddos safe. If you have any questions, please reach out to 

Car Seat Shipping

Free Shipping applies to standard shipping orders over $95 within the continental U.S.A. Unfortunately, orders shipping to Alaska, Hawaii, Puerto Rico, or APO/FPO addresses do not qualify for free shipping.
Large furniture items that must ship as freight such as cribs, gliders and dressers have a separate furniture delivery fee.

Free 5-7 days shipping is available on every order over $95 (excluding taxes and shipping fees) in the continental U.S.A. If you are in need of expedited shipping, the cost will be dependent upon your area and how fast you are wanting it shipped to you. You can get a shipping quote in your cart at checkout.

Shipping Timeline

For standard shipping, FedEx and USPS have up to 5-7 business days to deliver your order. However, most items arrive within 3-5 business days.

To track your package, follow one of the links below:

United States Postal Service (USPS) Tracking:

FedEx Tracking:

View full details
Customer Reviews
5.0 Based on 3 Reviews
5 ★
4 ★
3 ★
2 ★
1 ★
Write a Review Ask a Question

Thank you for submitting a review!

Your input is very much appreciated. Share it with your friends so they can enjoy it too!

Filter Reviews:
United States United States

Love ❤️

Es súper cómoda y fácil de instalar



We're so happy to hear!


Love it

I loved it. My baby enjoys car rides in his new car seat.



YAY! This car seat is so great and we are so glad that your baby loves it too!

Mandie V.


I love this carseat easy to install gorgeous color my baby is so happy in it