Britax Knowledge Center

Fit & Comfort: Harness Booster Seats Fit and Comfort

  • Quick-Adjust Harness
    Quick-Adjust Harness

    No re-thread design allows you to easily move the harness upward for a comfortable and secure fit as your child grows.

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  • Adjusting the Harness
    Adjusting the Harness

    Quick-adjust harness system that allows you to adjust the harness shoulder height without having to disassemble the harness straps or uninstall the seat from your vehicle.

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  • More to Measure
    More to Measure

    We know that it’s important for you to choose products that will fit your child for as long as possible. We encourage you to consider your child’s seated shoulder height when shopping for a new car seat.

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