Clek Foonf
The Clek Foonf rear-faces up to 50 lb, forward-faces up to 65 lb, and is 16.9 in wide, per Clek. Clek's top convertible with rigid LATCH when forward-facing, a steel anti-rebound bar and a narrow frame.
- $649.99List price
- 50 lbRear-facing to
- 65 lbHarness to
- 16.9 inWidth
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Foonf: key facts
- The Clek Foonf rear-faces from 14 to 50 lb and 25 to 43 in tall; forward-faces with a harness from 26.5 to 65 lb and 30 to 49 in tall, per Clek.
- It installs with Flexible LATCH or seat belt (rear-facing) or Rigid LATCH or seat belt (forward-facing).
- Clek says it expires 9 years after the date of manufacture.
- Clek lists it as certified for aircraft ("certified for use in motor vehicles and aircraft").
- It's 16.9 in wide at the widest point.
From Clek's published specs. Always follow the limits on your seat's labels.
How the Foonf stacks up
Against the 39 convertible car seats we track. The shaded band is where the middle half of them fall; the dot is this one.
Within the typical range for convertible car seats (9 years to 10 years).
Within the typical range for convertible car seats (40 lb to 50 lb).
The same as most convertible car seats (65 lb).
Below the typical range for convertible car seats (17 in to 18.9 in).
Above the typical range for convertible car seats ($129.99 to $499.99).
What sets the Foonf apart
Measured against the 39 convertible car seats we compare, from each maker's published specs.
- 2nd narrowestof the 28 convertible car seats with it published: 16.9 in
Next to its closest matches
- Römer VeniNext to it, the Foonf is 1 years shorter before it expires; 0.1 in narrower; $50 more.
- Baby Jogger City TurnNext to it, the Foonf is 1 years shorter before it expires; 2.1 in narrower; $70 more; no rotates (the City Turn has it).
- Nuna RAVA nextNext to it, the Foonf is 1 years shorter before it expires; 4.1 in narrower; $125 more; has anti-rebound bar (the RAVA next doesn't).
Flying with the Foonf
Clek's label: “certified for use in motor vehicles and aircraft” It is 16.9 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.
Listed features
- Narrow 16.9-inch width
- Rigid LATCH forward-facing
- Flame-retardant and PFAS-free fabrics
Worth checking
- Very heavy
- Highest price in this group
- Rear-facing starts at 14 lb
Where to buy the Foonf
Prices and availability change. We may earn a commission from some links.
- 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
| Clek Foonf | |
|---|---|
| Type | Convertible |
| List price | $649.99 |
| Rear-facing weight | 14–50 lb |
| Rear-facing height | 25–43 in |
| Forward-facing weight | 26.5–65 lb |
| Forward-facing height | 30–49 in |
| Width | 16.9 in |
| Newborn insert | Infant-thingy (sold separately): 'When using with infant-thingy (sold separately), you can accommodate a child that's 5 lb and 19 in.' Rear-facing minimum age without it: 'Able to sit upright alone'. |
| Installation | Flexible LATCH or seat belt (rear-facing), Rigid LATCH or seat belt (forward-facing) |
| Load leg | No |
| Anti-rebound bar | Yes |
| Rotates | No |
| Harness heights | 6 |
| Recline positions | 4 |
| Aircraft label | Certified for aircraft, per the maker |
| No added flame retardants | Yes |
| Expires after | 9 years |
Compare the Foonf with
How each closest rival differs from the Foonf, from the makers' specs.
- RömerVenirear-facing to 50 lbforward-facing to 65 lb$599.99
- 1 years longer before it expires
- 0.1 in wider
- $50 less
- Baby JoggerCity Turnrear-facing to 50 lbforward-facing to 65 lb$579.99
- 1 years longer before it expires
- 2.1 in wider
- $70 less
- NunaRAVA nextrear-facing to 50 lbforward-facing to 65 lb$525
- 1 years longer before it expires
- 4.1 in wider
- $125 less
- BabyarkClassicrear-facing to 50 lbforward-facing to 65 lb$790
- 0.1 in wider
- $140 more
Foonf: questions answered
From Clek's published specs, last checked 2026-11-06.
Does the Clek Foonf rear-face longer than other convertible seats?
1 of the 50 convertible seats we track rear-face to a higher weight than its 50 lb. The highest is the Axkid One 3 at 65 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 Clek Foonf fit three across or in a small car?
It's narrower than 91% of the convertible seats we track, at 16.9 in. The narrowest is the WAYB Pico at 14.5 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 Clek Foonf on a plane?
Yes, Clek 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.
Foonf or Veni: what's different?
By the makers' specs, the Foonf has no added flame retardants (maker's claim); the Veni lists for $50 less. See every spec side by side.
Is it OK to buy a used Foonf?
NHTSA publishes guidance on used car seats on its car seat page. Clek lists a lifespan of 9 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 convertible car seats
- ClekFllorear-facing to 50 lbforward-facing to 65 lb$499.99
- NunaRAVArear-facing to 50 lbforward-facing to 65 lb$480
- EvenfloGold Revolve360 Slimrear-facing to 50 lbforward-facing to 65 lb$449.99
- BritaxGalaxy360 Slimrear-facing to 50 lbforward-facing to 65 lb$429.99
- NunaREVV maxxrear-facing to 40 lbforward-facing to 65 lb$800
- WAYBPicoforward-facing to 50 lb14.5 in wide$499
Where these specs come from
Last checked 2026-11-06. Spot something wrong? Tell us. Read our editorial and safety policy and corrections.