Clek Oobr High Back Belt Positioning Booster Car Seat - Thunder

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The Clek Oobr high back booster revolutionizes booster seating with advanced safety features and a narrow design that makes it easy to ride 3-across. Rated a ‘Best Bet’ by the Insurance Institute for Highway Safety eleven years in a row, Oobr offers the comfort and flexibility to grow, with a fully removable reclining seat back. Like all Clek car seats, it’s free of brominated and chlorinated flame retardants, and is available with mammoth fabric that’s free of any added flame retardants.

Oobr is proudly designed, engineered and made in North America. 


  • Rigid-LATCH for enhanced seat stability
  • Structural headrest with deep side wings connects with steel rods to reduce twisting movements and improve head protection in a collision.
  • Energy-absorbing EPP foam.
  • Belt guides improve belt positioning on your child's shoulders and hips for enhanced safety.
  • 12 degrees of recline for comfy naps in the car.
  • Converts to a backless booster for extended use.
  • Removable seat cushion allows for the cover to be hand washed.
  • Includes removable drink-thingy cup holder.
  • Recyclable through Clek.

High Back Position Appropiate From: 38-57 in 33-100 lbs 3 years and up

Low Back Position Appropiate From: 40-57 in 40-120 lbs 4 years and up

Product Reviews
out of 5.0
163 Reviews
Ratings Snapshot
of Reviewers
WELLESLEY, Massachusetts
Verified Buyer
Good booster
July 3, 2024
We've been very happy with this booster car seat. Very easy to install and uninstall. Easy to clean.
norman, Oklahoma
Verified Buyer
cool seat. Sucky reclining
March 25, 2024
My son loves his seat but hates it not being easy to recline when he wants to take a nap on road trips.
  • It
  • It can get tricky to recline the seat, you break a sweat doing so.
Verified Buyer
Another Clek win
March 2, 2024
We love the Clek Oobr. I moved my daughter up from her Foonf one year ago. I’m glad we still have the sturdiness and safety of a Clek seat in a lower profile comfortable booster. She loves the pink color as well
  • safety, comfort, stylish
Clek F.
Verified Buyer
Clek for the win
February 3, 2024
Used with two Clek Foonfs three across in a VW Atlas. Will continue to buy Cleks.
  • Ease of install, ease of fabric cleaning
Verified Buyer
Good fit for Volvo xc90
January 17, 2024
Hard to find car seats and boosters that fit nicely without trying them in-person first. After reading tons of reviews and comments about what fits in which cars, we decided to take a chance on this one. It works! Kid loves it, too.
Verified Buyer
Excellent As Always
September 14, 2023
We have never owned a different brand when it comes to car seats because, for us, there is no reason! Our child loves this booster seat. There is no smell upon arrival (lack of chemicals!) and the booster seat is extremely easy to install. The booster is roomy but still “comfy cozy” (so I’m told). I like how the back is adjustable for a more relaxing or lengthy drive.
  • Available in merino - avoiding many typical chemicals
  • Clean, simple shape and simple color options
  • Cup holder
  • Arm rests
  • Comfy
  • Removable back for next stage of booster riding
  • Must be careful with internal plastic clips that keep base seat clipped on.
Verified Buyer
Excellent car seat!
September 10, 2023
I love clek car seats. We’ve been using this brand for years and they’ve all held up beautifully over the years. This was a great transition car seat for our oldest when she was moving away from the 5 point harness but still too small for just a booster seat. It’s very well made, sturdy, and very easy to install. We particularly love how quickly we can move in between cars. The safety of this car seat in unmatched in my opinion. Lastly, the customer service team for this brand is outstanding. They’re easy to get ahold of if you have any issues and are always willing to help.
Verified Buyer
Great booster seat!
September 5, 2023
We love this booster seat. Super comfortable for my bigger kids, and they love the ability to recline for long drives. I appreciate how sleek they look and that they can be installed with LATCH. The wool + tencel blend looks nicer and seems more durable than the wool-only version from previous years.
Plymouth, MN
Verified Buyer
The last booster seat the kids will ever own!
August 18, 2023
Great fabric choice- matches well with our SUV interior! The kids will grow out of using the removable backing of the booster, but the base will be in place for the future until they are ready to remove them completely.
  • Great styling and fabric options to match your vehicle. Easy to install and use.
  • Only the base's fabric comes off for washing.
Austin, Texas
Verified Buyer
Comfortable and Stylish
July 12, 2023
My son loves his new booster seat. It was easy to install and fits in the car well. He loves having the cup holder.
Verified Buyer
Clek High Back Booster seat.
July 3, 2023
My 4 year old loves this booster seat. She said it is the most comfortable seat she has ever sat it. Love the color and the fact that 3 car seats fit in the back seat of my Van.
Best booster ever!
April 17, 2023
We love this booster! It is so worth the price, even more so if you have multiple children that will get use out of it. Has so much room to grow. It’s easy to install, and move from car to car (although could be considered slightly heavy). We loved the first one so much, we ended up purchasing 3 of them (for mom, dad, and grandma’s cars). We bought the merino wool. It’s so soft, and my child enjoys using it. The cup holder is convenient. The seatbelt path is safely set at the correct height for your child, based on where you position the head rest. I love that this booster (and Clek’s other car seats) are chemical free! That was on the top of our list in our search for a booster. We’ve used Clek products for years. Clek has done it again! We will forever use Clek and recommend it to friends and family.
  • Chemical free
  • Easy to install
  • Amazing safety features
  • Adaptable to grow
  • Stylish
Best Uses
  • Older children who have outgrown a convertible car seat. Base seat great for airplanes!
San Francisco, California
Verified Buyer
Great purchase
April 12, 2023
Fantastic product. Seat is solid and super easy to install. My daughter loves it and looks great. Win-win.
  • Solid, safe, stylish, comfortable.
  • N/A
Kenmore, WA
Verified Buyer
Quality seat from Clek
February 8, 2023
Nice seat. We've had a Clek convertible seat prior to this and I appreciate the quality of the brand. Super easy to install and the black color is nice and hides the stains:).
Southfield, Michigan
Verified Buyer
We love Clek
January 13, 2023
We started using Clek for the ability to fit three across in our vehicles when planning our family and have not been disappointed. We've used the Liing and Fllo in the past and have now upgraded to the Oobr. It's easy to install and gives us peace of mind when it comes to safety. After a recent car accident, we are choosing to replace our Oobr with another Oobr.
  • Safety, fit, comfort, ability to take the back off as child grows.
New York, NY
Verified Buyer
Love It!
January 9, 2023
I absolutely love this seat. The Latch clips make me confident that the seat will stay in place. The headrest height is easy to adjust, ensuring the proper placement of the belt across my child's chest.

This seat is expensive, and I have twins so needed two. I am so happy with these seats I am even contemplating buying two more for my spouse's car.
San Jose, California
Verified Buyer
Good, not great
December 29, 2022
Great quality fabric (same as other Clek car seats). A little short in depth; I worry this may tire out my son’s legs on long trips.
Verified Buyer
Do not recommend. Too wide to fit safely in a mid-size vehicle.
December 28, 2022
This seat it too wide to properly and safely fit in my suv. It's so wide that it blocks the belt from tightening and it's also miserable to try and buckle the seat belt.
Pasadena, CA
Verified Buyer
December 27, 2022
This car seat is so easy to install and clean. We only need to use a clorox or baby wipe to clean away messes.
Verified Buyer
Great booster
November 21, 2022
Best convertible booster seat! Began with full back and have since transitioned into backless due to height.
  • Sturdy
  • Classic, high end design
Best Uses
  • Graduation from car seat to booster
Apex, North Carolina
Verified Buyer
Great Product - Fast Shipping
October 22, 2022
Purchased the Clek Oobr in white carbon jersey knit and was very impressed with the seat and how quickly it was shipped. Overall, the seat is well constructed and very easy to install (and remove). The seat feels sturdy and is light enough that installing it and removing it is easy enough. The Clerk Oobr is narrow enough where I can lower the vehicle seat next to the Clek without the Clek interfering with the vehicle seat.
  • Very high safety rating.
  • Light weight (especially as compared to a convertible seat)
  • Sturdy
  • Price
Warminster, PA
Verified Buyer
Perfect for third row
October 3, 2022
I love this seat! This seat fits perfect in my third row of my Hyundai Palisade. I love that it anchors into the seat which you don’t see with booster seats but makes me feel more comfortable adding that level of safety in case anything were to happen. It’s very easy to clean and my daughter loves it!
  • Third row compatible
  • Easy to clean
  • Anchors to seat
Kathleen M.
Verified Buyer
Perfect Seat, Adjustable Head Rest and Easy to Use!
September 26, 2022
We absolutely love this car seat! We bought one for my car for when I have my grandson. We liked it so much, that we bought a second one for our daughter to have in her car as well. It is well made, the belt positioning allows the belt to fit perfectly on our grandson. He likes it so much that he won't eat or drink in it because he doesn't want to mess it up. The blue is a beautiful shade. The head rest is adjustable, works just like a regular seat and is easy to move up and down. It is well made and will last us a very long time.
Hernando Beach, FL
Verified Buyer
Grandson Loves His New Seat!
August 29, 2022
I needed a big boy seat for my grandson, and this one is perfect! It's highly rated for safety, love the color, easy to install and comfortable. We did not install the cup holder because our car has a holder for him nearby. I love that it is designed, engineered and made in North America as that is important to me, but I'd prefer made in the USA. Our grandson loved it so much that he asked our daughter to get him one as well, so our 2nd seat is on the way!
  • High Safety Rating
  • Love the color
  • Made in North America
  • Easy to Install
cedar park
Verified Buyer
pretty and comfortable
August 25, 2022
pretty color, comfortable, my kid likes it
Verified Buyer
Meets our desires
July 11, 2022
The most important things for us with car seats are safety and non-toxic, no flame retardants or stain repellents or any other chemicals and natural fabric (we did not want synthetics like polyester). This was the best seat we could find that meets all these requirements. Wish it wasn't so expensive but glad it can last 9 years before expiration. Also nice it is made in Canada and not China.
Verified Buyer
Finally, a safe booster
July 8, 2022
Made like a car seat for big kids. Yay.
Princeton, New Jersey
Verified Buyer
Kiddo loves!
May 31, 2022
We love Clek and this booster does not disappoint. Not only does it get great safety ratings, it’s super comfortable and looks great too. Was very easy to install and fits great in the 3rd row of my SUV (wasn’t sure that was going to work but so glad it did). Grandparents bought one too because we were so happy with this booster!
  • Safe, comfortable, easy to install, looks great
Maria I.
Verified Buyer
The safest & most beautiful booster on the market!
May 12, 2022
I can’t say enough good things! I spent months researching boosters & happy to have found CLEK!!
It’s one of the safest & most beautiful booster seats on the market! My 5year old daughter loves it too! Easy for her to buckle & unbuckle on her own when it’s time to get in & out. I like that it secures the seat because some boosters do not & is very unsafe for Little ones.
I bought a second one for my husbands car & will be purchasing again for my son when he’s ready to make the transition to booster.
  • - Easy for kids to buckle & unbuckle on their own when it’s time to get in & out.
  • - I like that it secures the seat because some boosters do not & makes this more safe & secure
  • None!!
Verified Buyer
May 2, 2022
my granddaughter is 6. she loved her new Car seat. I bought 2 one for my car.
  • easy to get in and out of Car seat. sits higher up to look out window. less then 5 minutes to install
Waco, Texas
Verified Buyer
The very best booster car seat we have owned for our granddaughter.
April 18, 2022
The five year old that uses it daily gives it two thumbs up!
Verified Buyer
Love this car seat
April 9, 2022
Great seat, easy to install. It is a little short, but my kids haven't complained
Verified Buyer
March 27, 2022
Easy to put in, light. Excellent
Los Angeles
Verified Buyer
Best Booster
March 18, 2022
So easy to install and so simple. We love that it uses a rigid latch and matches our car!
Baltimore, MD
Verified Buyer
Best Booster
March 10, 2022
We only buy Clek products now. The quality and style is unmatched. Albee Baby has fantastic customer service and fast shipping.
Grace K.
Burbank CA
Verified Buyer
January 21, 2022
It is a very nice product and my 4 year old grandson loves siting in it.
Los Angeles, California
Verified Buyer
Perfect for a 4 year old
January 8, 2022
This is the second one we bought for our 4 year old who never like to be seated in a car seat but loved this one because there’s more space in the seat area just like a first class in the airplane.
Verified Buyer
Best combination of features I was looking for
January 7, 2022
After spending way too many hours researching, the Oobr was the only one that has the combination of safety, recline, rigid anchors, and a real cup holder that isn't just a ring, White base color even matches well with white seats in a Tesla. I bought one to try and now have just ordered another for my second kid. It fits great on outboard seats of a Tesla Model Y in recline mode. I'm also using the Mat Thingy, but I did have to clip off some of the rubber to make it easier to buckle the seat belt.
Verified Buyer
Life saver!!
December 19, 2021
My 4 years old really loves sitting in this one than anyone else we bought before! The sitting space is as big as a first class seat for her and even the back is adjustable so she can sleep in there with a more comfortable position!! It’s safe and enough space to relax!!
Verified Buyer
LOVE our Oobr in Mammoth Wool~
December 10, 2021
We love our Oobr in mammoth wool. We have our a 8-year-old in this seat, our 5-year-old forward facing in a Clek Foonf, 3-year-old rear facing in a Foonf. The kids are all comfortable, and the seats fit perfectly three-across in our Odyssey. We love how sturdy and solid the seat is and the rigid latch. Our primary criteria was that it's flame retardant free! Our 8-year-old appreciates the ease of buckling/unbuckling and he loves the recline feature for longer drives.
We'll definitely buy another one when our 5-year-old is ready for it!
  • free of chemical flame retardants
  • sturdy
  • rigid latch
  • recline
Verified Buyer
November 16, 2021
As a family with two active young boys, we have found that this is the best booster car seat ever! This not only give the kids great comfort, easy for the kids to belt themselves, superb safety for parent peace of mind - BUT IT FITS PERFECT IN THE JEEP! with a back seat that is narrow compared to most vehicles out there, these seats have finally given us the relief of feeling comfortable, safe and happy when on the road. This is a must buy booster!
  • comfort
  • safety
  • size
  • kid approved
Best Uses
  • For any family looking for the safe, durable, comfortable, easy to use by the kids booster! AND IT FITS THE JEEP SEATS!
  • none!
Dallas, TX
Verified Buyer
Love this booster
November 2, 2021
Installs like a dream, the fabric is lovely, and my daughter is super comfortable in it!
Overland Park, KS
Verified Buyer
Love these
October 23, 2021
I absolutely love the rigid latch system on these. After a decade of having kids in car seats, we finally started using Clek brand a few years ago and everything else just seems flimsy in comparison!
  • Sturdy
  • Rigid latch
Momma N.
WA state
Verified Buyer
Comfy, easy to place, tricky for kids to tighten belt, wool tore
October 7, 2021
My kid loves the comfort of the seat and the recline feature. I love the latch system safety, no fire retardants, and easy to take out and put back in... but the wool has a little hole in it/tore after a year, easy to stitch back. The belt can be tough to tighten due to the way it goes under the arm on the side that it buckles. As an adult, it's not a big deal, I pull across the lap with one hand and up toward the shoulder with the other... but now that my kid is old enough to get in on own, it's a little tricky for kids to tighten on their own.
  • Easy to move
  • Latches in place
  • No fire retardants
  • Comfortable and reclines
  • Head rest, and easy to adjust it
  • Tricky to tighten belt across lap
  • Wool got a little hole in it after first year of use
Kerrville, Texas
Verified Buyer
Love everything about this booster
September 25, 2021
From the construction to the material, this booster is superb. Only downside is the weight but I know that because it is made well and constructed with tough materials. Number one is the lack of flame retardants and my son finds it very comfy. I only buy Clek! They are the best of the best.
  • Material
  • Design
  • Comfort
  • Easy to install
  • Grows significantly with child
  • Heavy
Verified Buyer
Feels so sturdy
September 14, 2021
I love Clek, after outgrowing our Fllo the Oobr was a natural progression and does not disappoint. I love how solid it is, and kiddo was happy to get their favorite color.
  • Sturdy
  • Heavy
Verified Buyer
Good safe option... But over priced
September 12, 2021
It was a big adjustment for child to go from her toddler seat to this due to the lack of padding.

I loved that it was safest in terms of not having flame retardant... Sadly they discontinued solid wool and will only be offering a wool/tencel blend from now on.

Also only one part comes off for washing. The other you need to clean with a cloth.

The cup holder isn't the best either... Not too secured on there. The arm rest has rubber at the top and on the side my child exits the car it has lifted and won't fully reattched. Its a faulty design on Cleks part

  • Solid wool is a nice flame retardant free option (sadly discontimued)
  • Arm rest rubber isnt the best quality so once lifted we cant get it to go back in.
  • Cup holder design not the best
  • Recline doesn't seem to work easy. We couldn't really figure it out.
  • Price is way too high
Oklahoma City, OK
Verified Buyer
Easy to install
September 2, 2021
Ease of installation and removal is an added plus. Four year old granddaughter is thrilled. We are thrilled. It is as advertised. So much easier to pick up in carpool line.
  • Great! High quality. Easy to install.
Best Uses
  • Ease in dropping off and picking up in carpool line
  • None
Hoboken, NJ
Verified Buyer
Great booster seat!
August 24, 2021
The Clek Oobr booster seat with high back (which is removable) was the perfect transition from a car seat for my six year old. My daughter loves the adjustable head rest and the optional cup holder. I love that she is comfortable in the seat and that she can buckle her own seat belt.
Verified Buyer
safe and comfortable
August 20, 2021
We were recently in an accident and needed to replace our carseats. After the accident I went down a rabbit hole of safety research and decided on this Clek Oobr for my 7.5 year old. I wanted a metal frame and high-backed booster for her - even though she is tall enough for a backless booster, she prefers to have a headrest for comfort and occasional naps on long drives and I want the added safety. She loves this one and is very comfortable in it! The recline feature is great and the narrow size means it's possible to use the middle seat of my subaru outback even with our younger daughter's carseat installed as well.
Customer Q&A