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Chicco OneFit LX ClearTex All-in-One

The Chicco OneFit LX ClearTex All-in-One rear-faces up to 40 lb, forward-faces up to 65 lb, and is 19 in wide, per Chicco.

  • $329.99List price
  • 40 lbRear-facing to
  • 65 lbHarness to
  • 100 lbBooster to
See it on Chicco's site

When does it expire?

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OneFit LX ClearTex All-in-One: key facts

  • The Chicco OneFit LX ClearTex All-in-One rear-faces from 5 to 40 lb and up to 43 in tall; forward-faces with a harness from 26.5 to 65 lb and up to 54 in tall; works as a booster from 40 to 100 lb and 44 to 57 in tall, per Chicco.
  • Outgrown by height: "Forward-facing harness: Who are no taller than 54" (137 cm) OR when the top of the ears are below the top of the Head Rest."
  • It installs with LATCH rear-facing (SuperCinch), seat belt (lap-shoulder) rear-facing with lock-off, LATCH forward-facing + top tether, seat belt forward-facing with LeverLock + top tether or booster: vehicle lap-shoulder belt (LATCH may secure booster).
  • Chicco says it expires 10 years after the date of manufacture.
  • Chicco lists it as certified for aircraft ("This Child Restraint is certified for use on aircraft in HARNESS MODE ONLY. ... This restraint is NOT certified for aircraft use in BOOSTER MODE. Aircraft do not have lap-shoulder belts to secure your child.").
  • It's 19 in wide at the widest point and weighs 25.5 lb.

From Chicco's manual and published specs. Always follow the limits on your seat's labels.

How the OneFit LX ClearTex All-in-One stacks up

Against the 57 all-in-one car seats we track. The shaded band is where the middle half of them fall; the dot is this one.

Expiration10 years

The same as most all-in-one car seats (10 years).

This one
9 yearsmiddle 10 years12 years
Rear-facing limit40 lb11th highest rear-facing limit of 57

The same as most all-in-one car seats (40 lb).

This one
40 lbmiddle 40 lb50 lb
Width19 in15th narrowest of 33

Within the typical range for all-in-one car seats (18.3 in to 19.5 in).

This one
16.7 inmiddle 19 in21.5 in
Weight25.5 lb19th lightest of 35

Within the typical range for all-in-one car seats (20 lb to 29.3 lb).

This one
12.2 lbmiddle 25.2 lb35 lb
Price$329.9929th lowest price of 54

Within the typical range for all-in-one car seats ($229.99 to $399.99).

This one
$99middle $319.99$799.95

What sets the OneFit LX ClearTex All-in-One apart

Measured against the 57 all-in-one car seats we compare, from each maker's published specs.

  • Width: 19 inin the middle half of the 33 all-in-one car seats that publish it (18.3 in to 19.5 in)
  • Weight: 25.5 lbin the middle half of the 35 all-in-one car seats that publish it (20 lb to 29.3 lb)

Next to its closest matches

Flying with the OneFit LX ClearTex All-in-One

Chicco's label: “This Child Restraint is certified for use on aircraft in HARNESS MODE ONLY. ... This restraint is NOT certified for aircraft use in BOOSTER MODE. Aircraft do not have lap-shoulder belts to secure your child.” It is 19 in wide at its widest point.

What airlines say about car seats:

  • American: “Each ticketed customer is allowed 1 stroller and 1 car seat to be checked free of charge” “If an unoccupied, adjoining seat is not available, the gate agent will check the safety seat to your final destination.” Source
  • Alaska: “We will transport your child's car seat and stroller free of charge as checked baggage.” Source
  • JetBlue: “Checking a child safety seat will not count towards your checked baggage allowance and there is no fee assessed” Source
  • Spirit: “One (1) car seat will be accepted per child as checked baggage at no charge.” Source
  • Frontier: “strollers and car seats can be checked for free.” Source
  • Allegiant: “There is no charge for checking or gate checking one car seat per fare-paying passenger.” Source
  • Breeze: “Child seats may be carried on board the aircraft if a seat has been purchased for the Infant or Child” Source

Quoted from each airline's page as of 2026-11-02.

Where to buy the OneFit LX ClearTex All-in-One

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good to know
  • Check for recalls: Search the agency's recall list with the model number and date code from the label: NHTSA recall search.
  • Car seat use and installation: see NHTSA's car seat page, which also lists free car seat inspection by certified technicians. Check the label and the maker's instructions, and ask your pediatrician about your child.

Full specs

Chicco OneFit LX ClearTex All-in-One
TypeAll-in-one
List price$329.99
Rear-facing weight5–40 lb
Rear-facing heightUp to 43 in
Forward-facing weight26.5–65 lb
Forward-facing heightUp to 54 in
Booster weight40–100 lb
Booster height44–57 in
Seat weight25.5 lb
Width19 in
Head ruleForward-facing harness: Who are no taller than 54" (137 cm) OR when the top of the ears are below the top of the Head Rest.
Newborn insertNewborn Positioner: ONLY USE the Newborn Positioner REAR-FACING and only if the child weighs between 5 and 11 lbs (2.3 and 5 kg).
InstallationLATCH rear-facing (SuperCinch), seat belt (lap-shoulder) rear-facing with lock-off, LATCH forward-facing + top tether, seat belt forward-facing with LeverLock + top tether, booster: vehicle lap-shoulder belt (LATCH may secure booster)
Load legNo
Anti-rebound barNo
RotatesNo
Harness heights10
Recline positions8
Aircraft labelCertified for aircraft, per the maker
No added flame retardantsYes
Expires after10 years

Compare the OneFit LX ClearTex All-in-One with

How each closest rival differs from the OneFit LX ClearTex All-in-One, from the makers' specs.

Ask the meadow

OneFit LX ClearTex All-in-One: questions answered

From Chicco's published specs, last checked 2026-11-06.

Does the Chicco OneFit LX ClearTex All-in-One rear-face longer than other all-in-one seats?

15 of the 70 all-in-one seats we track rear-face to a higher weight than its 40 lb. The highest is the Britax One4Life ClickTight All-in-One at 50 lb. NHTSA: stay rear-facing "until he or she reaches the top height or weight limit allowed by your car seat's manufacturer." (NHTSA)

Will the Chicco OneFit LX ClearTex All-in-One fit three across or in a small car?

It's wider than 58% of the all-in-one seats we track, at 19 in. The narrowest is the Chicco Fit3x ClearTex Ultra-Slim All-in-One at 16.7 in. Fit depends on your vehicle; check each seat's manual and your vehicle manual. Car seat use and installation: see NHTSA's car seat page, which also lists free car seat inspection by certified technicians. Check the label and the maker's instructions, and ask your pediatrician about your child.

Can you bring the Chicco OneFit LX ClearTex All-in-One on a plane?

Yes, Chicco lists it as certified for aircraft; look for the red-lettered label that says so. The FAA asks that a car seat go in a window seat so it doesn't block the aisle, and the crew will look for that label. It weighs 25.5 lb to carry through the airport.

Is it OK to buy a used OneFit LX ClearTex All-in-One?

NHTSA publishes guidance on used car seats on its car seat page. Chicco lists a lifespan of 10 years from manufacture for this model. Check the label and the maker's instructions, and ask your pediatrician about your child.

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

More all-in-one car seats

Where these specs come from

Last checked 2026-11-06. Spot something wrong? Tell us. Read our editorial and safety policy and corrections.