Britax Grow with You Click Tight Harness to Booster

$423.99 $529.99
By Britax


The Britax Grow With You ClickTight harness-2-booster car seat grows with your child from toddler to big kid. It’s made with a 4-way stretch athleisure fabric for premium style and comfort. With ClickTight, you can install with confidence, every time. 2 layers of side impact protection surround the head, neck & torso. Plus, SafeCell Technology in the base acts as a crumple zone to help absorb crash energy. With arm rests, cup holders and harness comfort pads, even big kids will enjoy the ride.


  • Trusted Quality, Upgraded Design: Looking for Pioneer? Grow With You is Britax's newest harness-to-booster car seat
  • 2-in-1 Booster Seat: Easily transitions from forward-facing harness mode to belt-positioning booster mode as your child grows from toddler to big kid
  • Easy Installation: Quick-push LATCH connectors and color-coded belt guides
  • Britax Safety: High strength steel frame, crumple zone and patented v-shaped tether
  • Full Body Protection: 2 layers of side impact protection surround the head, neck & torso
  • No Rethreading: Ever: 9-position, quick-adjust 5-point harness & headrest move together using one hand for the proper fit
  • Premium Fabrics: Nap-friendly padding and fabrics for superior comfort & style
  • More Comfort: Stay-put, soft comfort pads keep your child’s neck from rubbing against the harness strap

Seat Specifications

Child Fit Information

  • Forward-facing Harnessed Weight 25 - 65 lbs (11.3 kg - 30 kg)
  • Forward-facing Harnessed Height 34 - 49" ( 86.36 cm- 124.46 cm)
  • Belt Positioning Booster Weight 40 - 120 lbs (18 kg-54 kg)
  • Belt Positioning Booster Height 44 - 63" (111.76 cm - 160 cm)

Exterior Product Dimensions

  • Product Weight 25 lbs (11.3 kg)
  • Product Dimensions (L x W x H)21" (L) x 19" (W) x 25" (H) (53.34 cm X 48.26 cm X 63.5 cm)
  • Headrest Fully Extended Height 35.5" (90.17 cm)

Interior Product Dimensions

  • Seating Area Depth 15" (38 cm)
  • Seating Area Width 12" (30.48 cm)
  • Shoulder Width 12" (30.48 cm)
  • Harness Slot Heights 9 positions, 12" - 20" (30.48 cm - 50.8 cm)
  • Buckle Strap Positions 2 positions, 7.0" - 9.0" ( 17.78 cm - 22.86 cm)


Britax strongly recommends that children should be secured with a harness system until they exceed the weight or height limits specified.

Click Here to learn how to install your Britax ClickTight Grow With You Harness-2-Booster Seat