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Britax

Britax Poplar S Convertible Car Seat, 2-in-1 Car Seat with Slim 17-Inch Design, ClickTight Technology, Onyx

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Availability: In Stock.
Fulfilled by Amazon
Arrives Friday, Sep 5
Order within 18 hours and 54 minutes
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Color: Onyx


Style: Poplar S


Features

  • 2-in-1 Convertible Car Seat: The Britax Poplar S fits up to 50 lbs when installed rear-facing while easily switching to forward-facing as your child grows
  • Install with Confidence Every Time: With ClickTight technology, theres no guessing or stressing. Fully open seat belt paths are clearly labeled and easy to access; open, thread and buckle and click it closed
  • ReboundReduce Stability Bar: Carbon steel bar easily attaches to the car seat when installed rear-facing to minimize movement in the event of a crash; must be removed when installed forward-facing
  • Refined Comfort, Tailored Fit: This Britax car seat features premium inserts and padding to create an elevated fit and feel
  • SpaceSaver Design: Slim 17" seat is designed to fit 3-across* without compromising on trusted Britax safety and premium comfort. *Britax cannot guarantee 3-across installation fitment in all vehicles
  • Room to Grow: 14-position no-rethread harness and headrest adjust together easily to help create the perfect fit
  • Britax Safety: The carbon steel frame and SafeCell crumple zone help absorb crash energy, and a patented V-shaped tether helps slow forward movement
  • Flip-Forward Buckle Pad: Stays out of the way for easy boarding in the toddler car seat
  • Naturally Flame-Retardant: The car seat cover is made of naturally flame-retardant fabric with no added FR chemicals
  • Simple Cleaning: The rear-facing car seat features a washer and dryer-friendly cover and 2 dishwasher-safe cup holders

Description

Ready to go with room to grow! The Britax Poplar™ S convertible car seat takes the stress out of moving to the next car seat stage thanks to the patented ClickTight® installation and slim SpaceSaver™ design. This convertible car seat accommodates up to 50 lbs when installed rear-facing, allowing your child to ride rear-facing longer. It easily switches to a forward-facing car seat as your child grows, accommodating up to 65 lbs. ClickTight technology provides fully open seat belt paths that are clearly labeled and easy to access, and the automatic tensioner takes care of the tightening. The baby car seat lets you easily adjust the 14-position no-rethread harness and headrest to help create the perfect fit, and the removable infant insert provides extra comfort on the go. The car seat features 17-inch SpaceSaver technology designed to fit 3-across without compromising on Britax safety and premium comfort. The car seat boasts a patented SafeCell® crumple zone and V-shaped top tether to help manage crash energy. Carbon steel frame and belt paths provide strength and stability. Car seat cover fabrics are naturally flame-retardant with no added FR chemicals, and they’re safe to machine wash and dry time and again. Britax cannot guarantee 3-across installation fitment in all vehicles

Brand: Britax


Installation Type: Seat Belt


Material: Alloy Steel


Color: Onyx


Orientation: Rear and Forward Facing


Product Dimensions: ‎20.5 x 17 x 23.5 inches


Item model number: ‎E1C943S


Minimum weight recommendation: ‎5 Pounds


Maximum weight recommendation: ‎65 Pounds


Maximum height recommendation: ‎49 Inches


Material Type: ‎Alloy Steel


Material Composition: ‎plastic, steel, polyester


Care instructions: ‎machine wash cold, delicate cycle, mild soap


Style: ‎Poplar S


Number of reclining positions: ‎14


Batteries required: ‎No


Orientation: ‎Rear and Forward Facing


Rear-facing minimum child weight: ‎5 Pounds


Rear-facing maximum child weight: ‎50 Pounds


Forward-facing minimum child weight: ‎22 Pounds


Forward-facing maximum child weight: ‎65 Pounds


Harness type: ‎5-Point


Item Weight: ‎27.2 pounds


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Sep 5

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • I love this car seat.
This car seat is SOOOO easy to install and move around? only takes like 2 minutes or less! The quality is very luxurious feeling and looks adorable with the cow print. I feel at ease knowing my baby is in a safe and comfortable seat. Great seat at a great price!
Reviewed in the United States on June 3, 2025 by Ashley Previch
    • Excellent car seat
Color: Glacier Graphite Style: Poplar S
I absolutely love this car seat. It’s so easy to manage and move from car to car the click tight design is amazing! Best feature ever for a car seat in my opinion. I bought a Nuna originally, thinking that I would love that and I do but I love the Britax more, the Nuna is in the truck and the Britax is in my car. Easy to wash and clean and put back together. I would say that the britax is much easier to put back together than the Nuna was. We’ve had both car seats installed and used for a year now. When my daughter is ready for the booster, we will be getting a Britax! It’s sturdy, functional and has multiple recline options. Well worth the investment. ... show more
Reviewed in the United States on August 6, 2025 by Anonymous
    • Britax fan for life
Color: Glacier Graphite Style: Poplar S
I spent a lot of time trying to find the perfect car seat and settled on this. I could not be happier with this seat. It was a little more than I wanted to spend, but definitely a good value for the money. The seat is very well made, very safe and very easy to install. The entire cover can be machine washed AND dried which is huge. It also seems super comfy and well padded. My baby seems much more comfortable in this than in the infant carrier. Very well designed and intuitive to use. I would buy another in a heartbeat ... show more
Reviewed in the United States on May 27, 2025 by Nicole C
    • Love it so far
Color: Arctic Onyx Style: Poplar S
I will say that installing this car seat at first was a bit difficult and confusing for me, but I watch Britax’s video tutorials on youtube which helped. Now that I’ve uninstalled and reinstalled it a few times, I find it very easy. I love the click tight under the seat, it works great. The car seat is so secure and doesn’t move an inch. I find the adjustments very easy to use as well. It is very cute, and fits decently in my compact sedan (Chevy Cruze). It seems pretty comfy too. I, thankfully, can’t actually attest to the safety of this car seat, but Britax is highly rated in that department from what I’ve read. And I did a lot of reading before making my purchase. Overall, I really do like this car seat and recommend it. First time installation was difficult, but once you figure it out it is much easier. 👍🏻 ... show more
Reviewed in the United States on January 15, 2025 by J
    • Best quality car seat for an affordable price!
Color: Stone Onyx Style: Poplar
I am impressed at the quality of the car seat. It is definitely heavier (sturdier) so you won’t be lugging it around but it is by far the best car seat around. The shoulder pads and the buckle pad are thick. It is very easy to tighten and loosen. Baby fits in it perfectly. The install is SUPERIOR to any other car seat. I feel confident knowing that the car seat will protect baby in case anything happens. I will never buy a different brand of car seat again. I know there are a few that convert into booster seats but I don’t think it is worth sacrificing the safety that is needed when they’re younger. Booster seats are inexpensive. I’d rather purchase this one that fits and protects nicely in the first few years of life, and then later on purchase a booster. I love that baby is able to rear face longer as well. There is a level on it too so you know when you have the car seat reclined just right. ... show more
Reviewed in the United States on January 19, 2025 by Rose
    • Great quality, just 1 minor flaw
Color: Arctic Onyx Style: Poplar S
We’ve been using the Britax Poplar S for a little while now, and overall, it’s a fantastic car seat! The materials feel high-quality, and the steel-reinforced frame gives me confidence in its safety. I’ve seen a lot of reviews complaining about the weight, but honestly, that’s to be expected—it has a steel base for added protection! If you want a lightweight car seat, you’ll likely be sacrificing durability and safety. The only reason I’m giving it 4 stars instead of 5 is that the harness straps can be a bit difficult to tighten. It takes a little extra effort to get them snug, which can be frustrating at times. Otherwise, the seat is comfortable, easy to install, and a great space-saving option for smaller vehicles. Definitely recommend! ... show more
Reviewed in the United States on March 14, 2025 by Kickasscaylee
    • Worth it!
Color: Stone Onyx Style: Poplar
Britax has always been my absolute favorite car seat brand. I feel like the Click tight technology is so safe, so practical and so much easier to install and just all around better. Once again this brand has exceeded my expectations and kept my child safe. Also, the material is so durable and seems to be very comfortable. Worth the money! ... show more
Reviewed in the United States on August 17, 2025 by Derek Bytheway
    • BEST CARSEAT!!!
Color: Magenta Onyx Style: Poplar
Review Image by Kylsie Kylsie
The media could not be loaded. Been a Britax fan for over a decade when the roundabout was my favorite convertible seat. I just love the quality of this brand. It’s very sturdy, easy to install, Clean and most importantly extremely comfortable for my babies. This is my second purchase of the poplar and I love the slim profile makes fitting two in the back of my Honda ridgeline a breeze with room for another passenger. No cons for me it’s the absolute perfect seat. Get it you won’t regret it you will if you don’t. ... show more
Reviewed in the United States on February 12, 2025 by Kylsie Kylsie

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