Nuna AACE Flame-Retardant Free High Back Belt Positioning Booster Car Seat - Granite

Very comfortable car seat. My kids like them.

We previously had the Nuna Pipa and Rava, and continue to be very happy with the quality. Very easy to install, and my som says the Aace is very comfortable.

Comfortable, easy to install, great company

Works perfect for my 6 year old! Great quality and will last a while for him. We have a 2020 ford expedition limited and it fits great.

Happy with this booster seat. I liked it so much for my first child that I bought another for my second. I took off one star because the belt does not easily feed through the red shoulder-strap router piece, and it needs to be untwisted and put back into the guide almost every ride. I've read other reviews with the same issue. But this seat is comfortable for my child, secured in place by latch system, and I like the added side protection over a backless booster.

I purchased this high back booster after my 4 1/2 year-old maxed out the weight limit of the nuna rava. So far, I like it. Very easy installation and nuna even has a free zoom video with a CPST to confirm proper installation and fit for your child.

This has been the first high back booster we have needed to purchase and so far so good! Our criteria was flame retardant free, good safety rating, reputable / well made brand, comfortable, and something that could transition to a regular booster when that time comes. The Nuna AACE fits all those boxes! We are very pleased with this purchase and will buy more as our other children age out of their convertible car seats.

Just like all other nuna products - this one is amazing as well. Its comfortable, and super easy to set up. And my kid is able to buckle himself into the seat as well. Super happy with the purchase. Also, the shipping from Albeebaby was super fast!

We absolutely LOVE the Nuna line of seats. We graduated from the Rava to the Aace and couldn't be more pleased. As always the quality is top notch. The seat was super easy to install and reels very secure. The cover is easy to wash and reassemble. Definitely would recommend!

Amazing! Nuna products are so awesome. so easy to install and one of the safest on the market sooo worth the price point. no regrets!

The only complaint I have is that the seat cushion comes undone often. Then snaps aren't very good at securing the fabric. Also, I really wish this had a tether, but I needed a narrow booster and it was between this and Clek. This one had a longer height and weight limit which I ended up going with for that reason alone.

Another excellent product from Nuna! This is our second Nuna seat and both have been fantastic! I always recommend Nuna to family and friends.

Love all the Nuna carseats. Just got this for my 6 year old and she is happy in it and I know she is safe.

We have been a Nuna family for quite some time now and the AACE booster seat didn't disappoint. It's very well made and super comfortable. My daughter loves her new seat.

Great buy. Super easy to install

Love this booster seat!!! My sons head doesn’t fall forward when he’s sleeping and it’s very comfortable

Love Nuna products and this is no different! Love the easy latch install and my daughter is comfortable and safe in her first booster seat!

Love it !

This seat is beautiful and extremely comfortable to use. It installs easily and is lightweight enough for a child to carry. Great addition to the car!

Love this seat! We went from the Nuna Rava to this, and its just as amazing as the Rava! So easy to install and very comfortable. Also feels very secure and safe! Highly recommend!

Seat is very easy to install, fairly light weight and my child says it’s very comfortable

We love this carseat. We have two other children who will soon be tall enough for this seat and we fully intend to buy this seat again for both.

Very comfy for long trips. So easy to get in and out of cars.

I got this seat for my tall four-year-old that still needs full back support but is getting too tall for the standard convertible car seats. Aside from saftey the main postive of this car seat is comfort. This seat is able to recline which allows for naps on long car trips comfortably. My daughter loves this seat, and I ended up getting one for both of my cars. It is also very easy to transfer to different cars. The only negative is the cup holder. It's a little bit on the small side and when my daughter pulls her drink out it tends to pull the entire cup holder out. Also, this seat is roomy and comfortable, which also means bulky, would be hard to fit three seats across a standard row.

Love this booster!!

It’s much better than the other brand car seat, but the click handles are small and not super easy to reach.

Simple and works just like all other Nuna products. High quality and easy to use/set up. Review about the cupholder may be a little off. We use the kids Camel Bak bottles and they fit perfectly in the cupholder.

My favorite high back booster ever! Easy to install, lightweight, and not bulky at all.

My two adult daughters love these car seats and boosters. Both of my grands (4 and 6) can jump into the car, scramble into the 3rd row seat and buckle up by themselves. The seats are comfortable and clean up well,, too.

This is a perfect carseat for my 4 years old boy, it is easy to be assembled and cleaned, with a high quality, I would like recommend this to you all.

Booster arrival as described. No issues with installation and has been comfortable for child. Would recommend purchase..

Beautiful color and comfortable for my child, this booster seat is easy to use and secure.

Very happy with this purchase! It is a very hefty and comfortable seat that has made entry and exit from car even easier for my 5 year old.

Its a pricey seat compared to big box stores - but for FR free, through and through (not just certain parts) there is an expense. Fortunately I use Albee Baby's rewards program over the years and it has saved me a bundle.

I came to the site to buy a second one of these for my husband's vehicle.

7 year old is very comfortable in his Aace

my favorite car seat

Absolutely love everything about this seat!

After extensive research, I purchased the Nuna AACE for my 5yo, who is in the 95th percentile for height.

What I like:
- tall 5yo is very comfortable in it, as is my petite 8yo.
- It will fit both of them for a long time (big reason for splurging for this seat)
- the seat pan can be lengthened as they grow, not just the shoulder space and head rest.
- rigid latch, and comes with latch guides - in our car, the LATCH bars are difficult to reach and the guides are VERY helpful!
- flame-retardant free fabric
- seat belt is a good fit on both kids (and is rated best bet for belt fit in any car by the IIHS)
- can be used without a vehicle headrest
- can be reclined for comfort when sleeping (not just vehicle seat fit)
- when my 5yo has fallen asleep in it, the seat keeps him upright and belt path remains optimal

What I don't love but aren't deal-breakers:
- upper seatbelt guide could be tighter/harder to undo - in our car at least, the belt gets twisted and comes out when unbuckled with almost every ride
- rigid latch is rigid, but has a hinge that makes it slightly less easy to line up with LATCH than our other boosters
- no metal in the frame (I know this is isn't necessary and asking for it is probably overkill, but it would still make me feel better!)
- the headrest connection has a lot of give when extended. While the manual states that the AACE can be used without a vehicle headrest (another reason I got it - our old car does not have them in the back seat), it doesn't feel sturdy to me without something behind it.

That being said, though I haven't found *the* perfect booster yet for my family, I like the AACE better than the other two seats we have, which are Peg Perego Flex (for travel) and Clek Oobr. In the Flex, both kids say because the headrest is so thick, it pushes their heads forward, though it's great for folding up and taking on a plane (it has to be checked but at least isn't an oversized item), and should still adjust to fit my tall kid for a long time. The main complaint with the Oobr is the short seat pan - for both kids, almost 3-4" of their thighs are unsupported by the seat in high-back mode, and they tend to scoot their bottoms forward from the seat back to compensate. Once they're old enough to ride backless, it shouldn't be a problem, but that's a long time to go with a less than ideal fit.

Easy to install and lightweight.

Amazing! We love our Nuna car seats! The color is beautiful!

Dont buy. I would have bought 2 more of these seats but the cup holders are too small to fit a very common kids water bottle like a Contigo. Very annoying. Now we cant have water in a cup holder. Come on product development do better!

3rd nuna car seat. Can’t go wrong with them. We Love them

Our favorite booster seat. My girls reached the height restriction on their 5 point and we wanted to keep them safe and secure still. This is the perfect option. Easy to use and comfy for my girls!

Transitioning to a booster seat is not my favorite milestone in childhood. Nuna has helped make that transition easier. This seat is SOLID; unlike the flimsy versions I often see in big box stores. I like that it latches into the car, offers SIP, reclines and GROWS in all directions for a proper fit. We are slowly becoming a NUNA family& will purchase another one of these boosters in the future.

Another great product from Nuna. We have brought our kids up with Pipa, Rava, and now the Aace. We love the functionality., looks, and of course safety that Nuna provides. Very happy with this booster!

Best booster seat ever! Nuna is my go to brand!