Britax Grow with You Harness-to-Booster vs Chicco MyFit

Side-by-side specs from each maker.

Only the differences are shown.

Britax Grow with You Harness-to-BoosterChicco MyFit
TypeHarness-to-boosterHarness-to-booster
List price$239.99$239.99
Forward-facing weight30–65 lb26.5–65 lb
Forward-facing height35–49 inUp to 54 in
Booster weight40–120 lb40–100 lb
Booster height44–63 in44–57 in
Seat weight23 lbLightest25 lb
WidthNot listed17.5 in
Head ruleThe top of the child's ears must be below the top of the head restraint when seated (harness and booster modes); harness straps must be in the closest position at or above the child's shouldersHarness mode only when 'Harness Straps can be positioned at or above the child's shoulders' (manual Select Harness Mode page); no top-of-head rule found in manual
InstallationLATCH forward-facing + top tether (harness, child up to 45 lbs), seat belt forward-facing + top tether (harness), booster: vehicle lap-shoulder belt (lower anchors may be used to position the seat)LATCH forward-facing + top tether (harness, child up to 40 lbs), seat belt forward-facing + top tether (harness), booster: vehicle lap-shoulder belt (LATCH and top tether optional)
Load legNoNo
Anti-rebound barNoNo
RotatesNoNo
Harness heights99
Recline positions24
Aircraft labelCertified for aircraft, per the makerCertified for aircraft, per the maker
No added flame retardantsYesNot listed
Expires after9 years8 years

Britax Grow with You Harness-to-Booster

A forward-facing harness seat that converts to a belt-positioning booster up to 120 lb, without ClickTight.

  • Harness to 65 lb, booster to 120 lb
  • Lighter than the ClickTight version
  • Nine-year life
  • No rear-facing mode

Chicco MyFit

    Ask the meadow

    Grow with You Harness-to-Booster or MyFit?

    Answers come from each maker's published specs. Safety and health questions link to the agency or medical source.

    Which one will my child use longer, the Grow with You Harness-to-Booster or the MyFit?

    The Britax Grow with You Harness-to-Booster: it goes forward-facing with a harness, then booster, up to 120 lb. The MyFit goes forward-facing with a harness, then booster, up to 100 lb. The Grow with You Harness-to-Booster expires after 9 years.

    Which is easier to travel with?

    Grow with You Harness-to-Booster: certified for planes, 23 lb. MyFit: certified for planes, 25 lb.

    Still wondering? Write to us at hello@cribpicks.com and we'll look it up.