SKU: 6643306846
britax rear facing convertible car seat

britax rear facing convertible car seat Britax Poplar S Convertible Car Seat Sand Onyx

Sale price$26.08 Regular price$28.98
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Description

britax rear facing convertible car seat Britax Poplar S Convertible Car Seat Sand OnyxThe Britax Poplar S Convertible Car Seat is the best space saving convertible car seat for parents seeking advanced crash protection, ClickTight fast installation, and 3 across seating capability in a compact 17 inch profile. This convertible combines advanced safety innovation, superior comfort, and space saving design to make every ride safer and simpler. Built with ClickTight installation technology and ReboundReduce stability bar, this seat

The Britax Poplar® S Convertible Car Seat is the best space-saving convertible car seat for parents seeking advanced crash protection, ClickTight® fast installation, and 3-across seating capability in a compact 17-inch profile. This convertible combines advanced safety innovation, superior comfort, and space-saving design to make every ride safer and simpler. Built with ClickTight® installation technology and ReboundReduce™ stability bar, this seat ensures a secure fit with minimal movement, giving parents confidence with every drive. Designed for long-term use, the Poplar® S transitions seamlessly from rear-facing (up to 50 lbs) to forward-facing (up to 65 lbs) without complicated conversion steps. Compare the Britax Poplar S to the Graco Extend2Fit: both offer extended rear-facing and forward-facing capability with adjustable headrests, but the Poplar S features ClickTight installation (3-step, pinch-thread-click system vs. traditional LATCH), ReboundReduce™ stability bar, SafeCell® crumple technology, patented V-shaped tether with staged-release stitches, naturally flame-retardant SafeWash® fabrics, 14-position no-rethread harness, 6 recline positions, carbon steel frame, 17-inch slim profile for 3-across seating, and 50+ years of Britax heritage. Choose Poplar S if you want premium crash protection, fastest installation, and compact 3-across capability; choose Graco Extend2Fit if you prioritize budget-friendly pricing. Inside, your child enjoys premium comfort with refined inserts, plush padding, and 6 recline positions for a custom fit at every stage of growth.

Inside, your child enjoys premium comfort with refined inserts, plush padding, and 6 recline positions for a custom fit. SafeWash® fabrics, naturally flame-retardant and machine washable, make cleanups effortless while maintaining Britax's commitment to quality and safety. The ClickTight® installation system simplifies setup with just three steps—open, thread and buckle the seat belt, then click it closed—for confident installations every time without confusion or error. The ReboundReduce™ stability bar helps minimize movement in the event of a crash when rear-facing, providing additional protection during the most critical early years. SafeCell® Technology acts as a crumple zone to absorb crash energy and divert it away from your child. The patented V-shaped tether with staged-release stitches helps slow and reduce forward movement during impact. The 5-point safety harness distributes crash forces evenly across your child's body for maximum protection. The carbon steel frame reinforces seat structure for strength and stability across thousands of miles. The 14-position headrest and harness adjust easily as your child grows without rethreading, eliminating annual maintenance hassles. Three premium comfort inserts, including one specifically designed for infants up to 22 lbs, provide plush, tailored support from birth through toddlerhood. The SpaceSaver™ slim 17-inch profile fits 3-across in most vehicles while maintaining interior comfort—a critical consideration for multi-child families. Six recline positions offer optimal comfort and vehicle fit for both rear- and forward-facing modes. Automatically-tensioning harness ensures the restraint is always secure and snug. Clearly labeled belt paths make installation straightforward and error-free for any caregiver. Dual removable, dishwasher-safe cup holders keep drinks within reach while simplifying cleanup. The naturally flame-retardant SafeWash® fabric is durable and safe to machine wash and dry for quick cleanup after spills and accidents.

Britax Poplar® S Convertible Car Seat Features:

  • ReboundReduce™ stability bar: Helps minimize movement in the event of a crash when rear-facing, providing added protection during critical early years

  • ClickTight® installation system: Simple three-step system—open, thread and buckle, click it closed—for confident installs every time without LATCH confusion

  • SafeCell® technology: Acts as a crumple zone to absorb crash energy and divert it away from your child

  • Patented V-shaped tether: Staged-release stitches help slow and reduce forward movement during impact

  • 5-point safety harness: Distributes crash forces evenly for maximum protection across torso and shoulders

  • Carbon steel frame: Reinforces seat structure for strength and stability across extended use

  • Naturally flame-retardant fabrics: SafeWash® materials are free from added FR chemicals for safer comfort

  • SpaceSaver™ slim 17-inch profile: Fits 3-across in most vehicles while maintaining interior comfort for all passengers

  • Refined comfort inserts: Three premium inserts, including one for infants up to 22 lbs, provide plush, tailored support

  • 14-position headrest and harness: Easily adjusts as your child grows without rethreading—annual adjustments simplified

  • Six recline positions: Offers optimal comfort and vehicle fit for both rear-facing and forward-facing modes

  • Automatic tensioner: Ensures the harness is always secure and snug throughout wear

  • Clearly labeled belt paths: Make installation straightforward and error-free for any caregiver

  • Dual removable cup holders: Dishwasher-safe for easy cleaning and convenient drink storage

  • SafeWash® fabric: Durable, naturally flame-retardant, chemical-free material that's safe to machine wash and dry

  • Convertible rear-to-forward transition: Smoothly transitions from rear-facing (up to 50 lbs) to forward-facing (up to 65 lbs) without complicated steps

  • Compact, space-saving design: Ideal for smaller vehicles, multi-seat setups, and families needing 3-across capability

Safety and Protection Features:

  • ClickTight® three-step installation: Industry's fastest installation system reduces setup errors and ensures secure fit every time

  • ReboundReduce™ stability bar: Minimizes crash movement during rear-facing collisions

  • SafeCell® crumple technology: Absorbs and redirects crash energy away from your child

  • V-shaped tether with staged-release stitches: Reduces forward movement during impact crashes

  • Carbon steel reinforced frame: Maintains structural integrity during collisions

  • Energy-absorbing shell: Multiple layers protect head, neck, and torso

  • 5-point harness system: Distributes forces evenly across safety zones

  • Automatic tension harness: Stays secure without manual tightening

Comfort and Convenience:

  • Six recline positions: Custom fit for sleeping newborns to alert toddlers

  • 14-position no-rethread headrest: Grows with child from birth through age 5+ without annual rethreading

  • Three premium comfort inserts: Newborn insert supports infants up to 22 lbs with proper spinal alignment

  • SafeWash® naturally flame-retardant fabric: Machine-washable comfort without added chemicals

  • SpaceSaver™ 17-inch slim profile: Maximizes cabin space while providing full-size interior comfort

  • Dishwasher-safe cup holders: Easy cleanup keeps seat fresh

Why Choose Britax Poplar S?

The Poplar S delivers exceptional value for parents seeking a space-efficient convertible with premium crash protection and installation ease. The ClickTight® system is the fastest installation available—no threading LATCH straps, no confusion about proper tension, just three intuitive steps. The 17-inch slim profile is unmatched in the convertible category, enabling true 3-across seating in vehicles where traditional convertible seats won't fit side-by-side. Combined with 50+ years of Britax safety heritage, advanced protection technologies like ReboundReduce™ and SafeCell®, and naturally flame-retardant SafeWash® fabrics, the Poplar S makes premium safety accessible and practical for modern families.

See Entire Britax Collection

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 6643306846

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4.4 ★★★★★
Based on 6 reviews
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Verified Purchase
Tahoetech
San Leandro, US
★★★★★ 5
Soft pillow
Size: Queen (Low Loft), Number of Items: 1
Very good, very soft pillow.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2026
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River
Dallas, US
★★★★★ 5
So comfy
Size: King (Pack of 1), Style: Standard Loft (4" - 5")
I spent time looking up/watching videos on pillows for neck pain and this one comes up a lot. I’m someone that used to wake up every few weeks with a stiff neck so bad it could make me cry at work. I haven’t had that happen once after months of using this pillow. I look forward to laying my head down on it every night. It’s a luxury experience every time. I think what it does so well is maintain its shape. You can really squish it up how you want and it stays there even after hours. Moldable but somehow still firm. It’s expensive but to me the value is there because I no longer get crazy neck pain from sleep. Worth trying it out for sure. Btw I was stuck between this is and Purple brands couple top end options. I never got around to trying them because I tried this one first and was very satisfied! Feb 2026. Still use it every night and it's still protecting me from neck pain I used to get from sleeping. It's held up amazing. Hope to use it for many more years.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 18, 2025
A
Verified Purchase
Amazon Customer
Lowell, US
★★★★★ 5
Saatva Pillow is great
Size: Standard/Queen (Pack of 1), Style: Standard Loft (4" - 5")
So far this is the best pillow I have had in the last 10 years and I have tried two Purple pillows a couple different memory foam and Gel pillows at least 4 more pillows that I can't even remember the names of. My neck and shoulders are almost pain free. I have also been doing more stretching of my arms which is also helping, but this pillow has really made the most difference in the pain I have had, I felt difference from the first time I put my head on it. It's comfortable, the perfect height I got the 4"-5", I also got the queen size and it's great. It supports my head just right. I also ordered the Saatva Classic 14" mattress from the company and I sure hope it's as good or better would be great because I have back issues for the last 50 years.
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Reviewed in the United States on September 16, 2025
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Verified Purchase
YL
Boise, US
★★★★★ 1
Cotton Fluff Around a Mostly Empty Bag
Size: King (Pack of 1), Style: High Loft (6"-7")
Bought the high-loft king, thinking it would be a great (tall) side-sleeper. What I got? A very nice, completely compressible cotton outer shell wrapped around a bag a bit smaller than a standard pillow. In that bag? A tiny amount of small latex chunks, just about a third full. That’s right, some cotton fluff around a basically empty bag. Could you buy some latex yourself and add it? No, the bag is sewn shut. You could probably fill a small pillow with latex you bought elsewhere and put that in. But seriously, what did you pay Saatva for in that case? Probably as close as I’ve seen a major/high-reputation company get towards a literal example of rip off.
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Reviewed in the United States on May 31, 2026
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Perry Baker
Whiting, US
★★★★★ 3
Wrong item ships/decent pillow/price unjustified
Size: Standard/Queen (Pack of 1), Style: Standard Loft (4" - 5")
Sent me the wrong pillow twice in a row. It said high loft and standard loft on the packing, not sure what the problem is. I ordered standard loft both times, and both times they sent high loft. That name is very deceiving though. If what I have is high loft, the standard loft wouldn’t be much thicker than your standard flat down pillow. If you’d like any sort of neck support I’d suggest starting with the high loft and going down instead of the other way around. I am 5’ 7” 130lbs and this pillow does not lift my neck up further than neutral, which is a good thing. Shredded memory foam pillows are significantly higher or thicker if that helps. Pillow itself grew on me. You can definitely feel that there is a different material in the center of the pillow. I ordered it as a gift and ended up keeping both pillows. The price tag on this item is absolutely outrageous. I would have never ordered it for myself. Saatva products don’t last in my experience, we got their firmest mattress and within 2 years it was sagging horribly. I am interested to see how long this pillow lasts!
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Reviewed in the United States on January 19, 2026

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