SKU: 8632950937
britax hi liner booster

britax hi liner booster Britax Römer Hi-Liner high backed booster

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Ships within 48 hours · Estimated delivery Jul 17 - Jul 22

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Description

britax hi liner booster Britax Römer Hi-Liner high backed boosterThe new HI LINER is the go to car seat for anyone looking for a reliable and easy to use highback booster seat. Designed and manufactured in Germany, the HI LINER meets our highest standards in comfort and safety on the road. i Size safety The HI LINER was developed according to the new i Size standard and is approved according to the latest R129 regulations, which are mandatory from September 2023. Thus, the seat provides reliable, and future

The new HI-LINER is the go-to car seat for anyone looking for a reliable and easy to use highback booster seat. Designed and manufactured in Germany, the HI-LINER meets our highest standards in comfort and safety on the road.

 

i-Size safety

The HI-LINER was developed according to the new i-Size standard and is approved according to the latest R129 regulations, which are mandatory from September 2023. Thus, the seat provides reliable, and future required i-Size safety for your child.

 

Comfort meets practicality

The optimised seating area and the generously padded soft fabric covers offer additional comfort, especially on long journeys. Thanks to the slim design, up to three HI-LINER seats can be installed in the back seating area of a wide range of cars. When switching the seat between vehicles, helpful headrest markings make it easy to get the right setting every time. The ISOFIX system makes the installation of the seat simple and safe.

 

Sustainability made in Germany

BRITAX RÖMER manufactures the vast majority of car seats in Germany. Not only does this ensure the highest production quality – it also shortens transport distances and therefore significantly lowers the impact on the environment. To make the HI-LINER even more sustainable, it comes in compact recycled carton packaging which is efficient in transport.

 

Key Features

  • Adjustable backrest
  • Upper and lower belt guides
  • Easy adjustable headrest with level markers
  • Compact design allows for 3 in a row
  • Removable covers
  • Suitable from age 4.5 up to 150cm
  • R129 certified
  • Isofix (optional)

 

Dimensions

W44cm x D42cm x H63-83cm

Weight 5.9kg

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: 8632950937

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4.5 ★★★★★
Based on 7 reviews
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Product Reviews
J
Verified Purchase
Jyn
Natrona Heights, US
★★★★★ 4
Petite person's perspective
Color: Grey, Color: Grey
Full name on the box: Light Grey Bonded Leather/Mesh Air Executive Chair (Model: 43807) This review is from a petite female’s perspective I was browsing for couple months and this Serta chair stood out to me, mainly aesthetically. I don’t see many chairs in this color or style. It matched with the rest of my PC/desk setup. Positives -Seat is comfortable. -Lumbar support is good. It helps me sit very straight. -The casters were surprisingly easy to put in. I had to use some force with two of them though. They roll fine on carpet. -Easy assembly Neutral/Negatives -Paint of armrests is easily scratched. I accidentally scratched it while installing the back. -The black plastic caps used to hide the screws don’t fit well. The plastic inserts for hiding screws in arms don’t fit well either. It makes the chair appear cheap. (I will provide images) -Craftsmanship isn’t the best. Not noticeable from a distance though. -At lowest setting, my feet can’t touch the ground but being 4’11” it’s to be expected. -Height of the back is too high for my liking. I prefer a few inches shorter so I can tilt my head back to rest my neck. My fault for not realizing I should look into "mid-back chairs". -Head/top area is too firm. I prefer it to be squishy (e.g. Serta Smart Layers Verona or Siena). As another reviewer mentioned, don’t forget to remove the foam or cardboard behind the lumbar and head/shoulder. That is supposedly the last step when assembly is all done. **If you come across any issues/warranty, you contact TRUE INNOVATIONS, not Serta. (I will provide images)
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 21, 2017
N
Verified Purchase
Not Your Average Joe
Cuba, US
★★★★★ 1
***Serta should recall this chair!
Color: Grey
Serta quality and comfortable for office use only, casual home use isn't the same... the only reason I didn't give it 5 stars for ergonomics is that if you are not sitting upright in "office mode" and you want to slouch and relax, the seat makes you feel like you are always sliding forward in the chair? I assume that is because it's an "ergonomic" chair, but it is well built and worth the price in my opinion. ***Updated addition; after using the chair to work from home & casual use, it is still annoying to feel like it tilts forward unless you are sitting up perfectly straight! I have also noticed that if you get up or reposition yourself (due to the forward sliding) the seat height resets itself back up to the top!? So when you sit back down you have to lower the seat again... my last Serta chair never had these issues!! For the price point, this shouldn't be a chair I will be replacing after a few months - but not with another Serta! ****Second update = now 1 star! (Chair still looks new, I only work from home 1 day a week, and take great care of my things so there is no damage or even usage wear) After trying to make the best of this chair, it is even more annoying to use.. it now "groans" when any movement rocking back or forth... it still feels like it is forcing you to slide forward and feels like the chair wants your to fall out! Leaning back doesn't stay (no adjustment to keep from "leaning forward") so no matter what I do, I hate sitting in this chair more every day... and now I am very worried about buying another chair blind online! ***Serta should recall this chair! *****Third update = Chair still looks and feels brand new, but now randomly will make weird creaking and groaning noises with every movement and as an added bonus it randomly just sinks to the lowest level without warning!!! Typing away and it just starts sinking until it hits bottom! I don't know how an expensive chair could be so awful!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 1, 2024
A
Verified Purchase
Amazon Customer
Lowell, US
★★★★★ 5
Office chair
Color: Grey
I bought this chair for my son and he’s very happy with the comfort of it. Very sturdy
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2026
C
Verified Purchase
Customer
Louisville, US
★★★★★ 3
Good chair, Hensley is more comfortable
Color: Grey, Color: Grey
Received chair in a large box and assembly was easy. Instructions call for 2-person assembly but I set out to do as much as I could by myself until someone else was available. No tools needed other than the Allen wrench provided. I assembled the chair in under an hour by myself. The 2 person portion of the assembly was for attaching the seat to the wheel assembly but I managed to attach it myself with some careful maneuvering. The chair is nice and comfortable enough, but I was spoiled by the comfort of trying a different Serta model (Hensley, now discontinued) ina store. I couldn't find that model anywhere else and the floor model was SOOOO comfortable with its Serta Smart Layers. I was hoping Bryce would be a close second. After trying Bryce for a few days, I'd say its a distant third. If I never met Hensley, Bryce might have a higher rating. Update: based on other reviews, I made covers for the armrests to prevent wear and peeling of the padding cover.
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Reviewed in the United States on November 5, 2025
C
Verified Purchase
Crosland
Alexandria, US
★★★★★ 5
Great Serta Chair
Color: Black
Great chair. Definitely need two people to assemble. Heavy!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026

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