Britax Poplar Convertible Car Seat
Ready to go—with room to grow.
The Britax Poplar™ Convertible Car Seat takes the guesswork out of moving up to the next stage. With its patented ClickTight® Installation and ultra-slim SpaceSaver™ design, it's made for easy, confident installs and a better fit in your back seat. This car seat supports extended rear-facing up to 50 lbs, giving your child the safest ride for longer, and seamlessly transitions to forward-facing as they grow.
Why Parents Love It
✅ ClickTight® Installation – Install in 3 simple steps: open, thread & buckle, then click it closed
✅ Slim Yet Spacious – Just 17" across to help fit 3-across* without sacrificing comfort
✅ Extended Rear-Facing – Accommodates children up to 50 lbs and 49” in height
✅ Naturally Flame-Retardant Fabrics – Free from added FR chemicals and safe to machine wash and dry
✅ Peace of Mind Built-In – SafeCell® crumple zone, carbon steel frame, and V-shaped tether help manage crash energy effectively
Smart Safety Meets Everyday Convenience
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14-Position Quick-Adjust Headrest & Harness – Easily adapts to your growing child
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6-Position Recline – Ensures the most comfortable and secure fit in your vehicle
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SafeCell® Technology – Built-in crumple zone helps absorb crash forces
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Patented V-Shaped Tether – Minimizes seat rotation and forward movement
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Reinforced Carbon Steel Frame – Adds strength and stability
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5-Point Safety Harness – Evenly distributes crash energy across strong bones
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Dishwasher-Safe Cup Holders – Removable and easy to clean
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Slim Design – Designed for easier 3-across fit in many vehicles*
Specifications
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Product Dimensions: 20.5" L × 17" W × 23.5" H
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Seat Area Depth/Width: 11" / 12"
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Shoulder Width: 14"
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Harness Slot Heights: 8" to 17" (14 positions)
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Buckle Strap Depths: 4" – 7"
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Rear-Facing Use: 5–50 lbs, under 49"
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Forward-Facing Use: 22–65 lbs, under 49"
- Manufactured 2023
Britax Recommends
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Always keep children rear-facing as long as possible, up to the maximum height or weight limit
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Use the 5-point harness until your child outgrows it by height or weight
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Always secure the top tether when installing forward-facing
Note: Britax cannot guarantee 3-across fitment in all vehicles. Always check fit prior to purchase.
