Harness-2-Booster Car Seats

Britax Safety - Harness-2-Booster Car Seats

Mom smiling, helping child buckle chest clip of Grow with You Harness-2-Booster Seat


Not all car seats are created equal. Britax harness-2-booster seats are designed with exclusive features that work together to help protect your growing child.

SafeCell Technology, located in the car seat base, acts as a crumple zone to help absorb energy during a crash.

All Britax harness-2-booster seats also include our patented v-shaped tether, high-strength steel frame, 5-point safety harness, and various levels of side impact protection.


Harness-2-Booster SafeCell TechnologyHigh Strength Steel Frame
Harness-2-Booster Patented V-Shaped TetherHarness-2-Booster 5-Point Safety Harness


At Britax, we feel that "safe enough" isn't good enough. That's why our car seats include features that provide energy absorption while helping to reduce movement in a collision.


Each technology has a separate function, but all work together to help keep your child safe and secure in the event of a crash.

  • SafeCell Technology acts as a crumple zone, absorbing crash energy to help keep it away from your child.
  • High-Strength Steel Frame reinforces the seat structure to help keep it sturdy and stabilized.
  • V-Shaped Tether has a unique two-strap design that slows forward movement, and rows of stitching that "give-way" one at a time in the event of a crash.
  • Side Impact Protection surrounds your child's head, neck and torso. We offer varying levels of side impact protection depending on the harness-2-booster model, including a deep protective shell, foam-lined headrest and external cushions that compress to absorb energy.
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