Clek Fllo Car Seat Review: Is It Worth the Price?

If you've been researching car seats for more than five minutes, you've probably seen the Clek Fllo come up and come up glowing. This is a genuinely well-engineered car seat from a Canadian brand, and the praise is earned. Here's what you need to know.

Can You Use It From Birth?

Yes, with an accessory. The Fllo can be used from birth if you add the Clek Infant-thingy (sold separately), which supports newborns in the rear-facing position. Without it, the minimum is roughly 14 lbs and the ability to sit upright unassisted, which most babies reach around 4–6 months. So if you're hoping to skip the bucket seat entirely and go straight to a convertible, the Fllo makes that possible, just factor in the extra cost of the Infant-thingy.

What Makes the Clek Fllo Stand Out

The Fllo is a convertible seat, meaning it grows with your child – rear-facing until your child outgrows the limits, then forward-facing up to 65 lbs (rear-facing to 50 lbs in the U.S., 40 lbs in Canada). That kind of range means most families can use one seat from birth through early school age.

What sets it apart from most seats at this price point is the construction. It has an integrated metal substructure specifically designed to prevent twisting during a side-impact collision, keeping the child contained in the seat — not just padding around them, but structural engineering doing real work. The Energy-Absorbing Crumple Technology (EACT) uses an aluminum honeycomb core that mimics the crumple zone engineering in cars, reducing the forces transmitted to a forward-facing child in a frontal collision. When I learned how it actually worked, I was genuinely impressed.

A few other things worth knowing:

Steel Anti-Rebound Bar reduces rotational rebound when rear-facing. In Canada, this is required equipment; in the U.S., it's included but technically optional.
16.9-inch seating width (13-inch base) means you can realistically fit three seats across in many vehicles. The narrower base is actually what makes this work in tighter spots and bucket-style center seats.
9-year expiration date, which is longer than most seats on the market – you may get through more than one child on a single purchase.
Fabric is GREENGUARD Gold Certified (the stricter, higher standard tested specifically for children's environments) and free of brominated and chlorinated flame retardants, as well as 100% fluorine-free.
FAA certified for aircraft use.
Recyclable at end of life.
The fabric has permanent protection against moisture, stains, and bacteria (if you've ever dealt with a car seat after a blowout, you'll appreciate this more than you expect).

One Installation Detail Parents Often Miss

The LATCH anchors can be used until your child reaches 35 lbs. Between 35–65 lbs forward-facing, you switch to the vehicle seat belt for installation instead. This surprises a lot of parents mid-ownership, so it's worth knowing upfront.

A Note on the 2021 Recall

In December 2021, Clek issued a recall affecting both the Fllo and the Foonf. The issue has since been resolved with a remedy kit. If you're buying new, you're covered. If you're considering a used seat, make sure the recall remedy was applied, and as always, never buy a used car seat without being able to verify its full history.

Clek Fllo vs. Clek Foonf: What's the Difference?

Both are excellent seats, but here's the practical difference: the Fllo has a flat base with a flip foot and is generally installed using the seat belt, making it a bit more versatile across different vehicles. The Foonf uses Rigid-LATCH for forward-facing installation and has a wedge-shaped base, which some families prefer for a more locked-in feel. The Foonf is also slightly larger. If you're on the fence, the Fllo is the more flexible option; the Foonf is worth a look if you want Rigid-LATCH or have a bigger child.

What to Keep in Mind

The Fllo starts at around $400, which puts it firmly in the premium category. That said, when you factor in the 9-year lifespan and the quality of materials, the per-year cost is more reasonable than it looks at first glance. One more thing to budget for: if you want the Infant-thingy for newborn use, that's an additional purchase.