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ITEM# CS-40-001

Nuna AACE Booster Car Seat 2018 Caviar

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Item # CS-40-001


Seat weight: 15.6 lbs
Child Weight: 40-120 lbs
Child Height: 38-60 in
Dimensions (in): 22.5 H x 14.5 L x 12 W

What's Included: Integrated cup holder


3D Growth System

Grow up, grow out, grow on. A 9-position height adjustable headrest, simultaneously expanding shoulder system and seat with 3 depths give growing children plenty of space and support.

Recline & Relax

Customizable 8-position recline in highback mode. Ventilation panels within the shell create a comfy climate for even the longest of trips. Cozy, built-in armrests let little arms take a break.

Side Impact Protection

Energy absorbing foam and SIP pods take side impact security to the next level.

Backless Booster

The 2-in-1 design allows you to convert AACE from a high back to a backless booster.

It's streamlined, customizable and as beautiful as a booster seat gets. AACE grows comfortably with your child and even converts to a no back booster. It also exceeds American safety standards - the only thing about it that's overdone. Join the grow-volution.

3D growth system

  • Grow up: one-hand, 9 position height adjustable headrest
  • Grow out: shoulder system works simultaneously with the headrest, expanding out while growing up
  • Grow on: seat sports 3 depths giving growing legs plenty of support and space
2-in-1 design
  • Converts from a high back to a no back booster
  • Energy absorbing foam and SIP pods take side impact security to the next level
  • Belt positioner aids in correct shoulder belt routing and minimizes user error
  • Colored belt path indicators help decrease risk of user error
  • Lower anchor connectors easily secure car seat to vehicle seat during use or transport
  • Customizable recline thanks to 8 different positions (in high back mode only when using lower anchor connectors)
  • Ventilation panels within the shell and breathable (and washable!) knit fabric create a comfy climate for even the longest of trips
  • Little arms can take a break thanks to cozy, built-in armrests
  • Sleek and chic micro-knit fabric is easy to remove and machine washable
  • Included cup holder is removable and dishwasher safe
  • AACE starter kit includes a cup holder, belt positioning clip & a set of LATCH guides (included with purchase)


  • Dimensions (highest position - HBB): 33 H x 22.5 W x 15 L
  • Dimensions (lowest position - HBB): 26 H x 21.5 W x 15 L
  • Product weight: 15.6 lbs
High Back Booster:
  • Recommended child weight: 40-110 lbs
  • Recommended child height: 38-60 in
  • Suggested age: 4 years and up
No Back Booster:
  • Recommended child weight: 50-120 lbs
  • Recommended child height: 38-60 in
  • Suggested age: 5 years and up
Easy to clean
  • Seat pad:
    • Machine wash on cold
    • Lay flat
    • Air dry
    • Do not use abrasives or bleach
  • Plastic:
    • Wipe with a damp cloth
    • Air dry

26 Reviews
88% (23)
12% (3)
0% (0)
0% (0)
0% (0)
100% Recommend this product (26 of 26 responses)
By Deborah W.
Plano, Illinois
September 21, 2018
Best car seat ever!
This Nuna AACE Bppster Car Seat (in slate) is fabulous. Easy to install. I like the fact that it can adapt to you child’s size and needs. Have only used for my granddaughter a few times so far, but exceeds my expectations. It is also beautiful. Although a little pricey, well worth it.
By N
September 12, 2018
Beautiful and safe!!
I did a lot of research on this car seat and the Nuna brand before buying. Nuna is one of the few car seat manufacturers that uses high quality materials not doused in chemicals. The seat fits my 8 year old son perfectly! His only complaint is his drink (a hydroflask) doesn’t fit in the cup holder.
By Kimberley
Long Beach, CA
September 6, 2018
Excellent car seat for a growing toddler
Bought this for my petite 4 year old and this car seat will be the last one that we need to buy. The cushions are great material and comfortable for my little one. Also this car seat allows for a slight tilt for easy naps and holds my toddlers head up perfect. Love this seat.
By Priscilla
San Pedro, California
August 25, 2018
Great Booster
Love this booster. My sons head no longer falls forward, it’s great!
By Alex
San Diego, CA
August 9, 2018
You get what you pay for
Nuna always has quality products but you definitely pay for every penny. The thing I love about this car seat is how much detail they put into it. It took a while for my son to get use to having the actual seat belt across his chest but he loves how comfortable the car seat is and how "grown up" it makes him feel. Definitely recommend this.
By Karine
Los Angeles
August 8, 2018
Beautiful booster seat
I bought this booster seat in berry for my 6 year old daughter. I love the color and the design. My daughter loves it too and says it’s very comfortable. Great purchase overall.
By Aislinn
Deland, Florida
July 31, 2018
Daughter loves it
We left our daughter pick her color when we were buying our new daughter's Nuna and she chose the Berry color. The red is beautiful and the seat is amazing. We have used the anchor system for reclining the seat on long car trips and the normal attachment for the upright position and both are super comfortable for her. We love the safety of Nuna.
By Allison Lee
July 19, 2018
So nice and comfy!
We love Nuna brand! This booster seat is a great addition to our van along with the Maxi Cosi 85 for our 4 years old and 2 years old. Our son loves how comfortable it is and we love how trendy and sturdy it is. Thank you!
By Jenny
Redlands, California
July 19, 2018
Super nice
I love the color booster for my 6 years old son, very sturdy & nice. He seem to like sitting on it for a long ride. Booster very compact & doesn't take too much room. I would definitely recommend this booster for anyone who's looking to buy a booster out there .
By Kelli
July 19, 2018
So happy!
This booster seat is made so well. They really thought of everything. My toddler can sleep comfortable on long car rides and I highly recommend this seat to anyone shopping for that next step seat.
ProsEasy to use Easy to clean Adjusts well for growth Locks into place Reclines
ConsA little more heavy than I anticipated but not a deal breaker
By julie
malibu, California
June 27, 2018
Great quality, very comfortable, stylish
Bought this chair for our son. We like the minimal design that blends with our car interior. Its easy to install, comfortable for our son, great construction quality/ very sturdy yet light enough to move from car to car. The only thing that isn't perfect is the fabric doesn't "breathe" and can be a bit hot for a child who falls asleep in the chair and/or spends a lot of time in the chair on a car trip etc. Overall though we are very happy. We owned a Diono previously and like this chair better.
By Lindsey
Billings, Montana
June 26, 2018
Great addition for my son
Recently purchased this seat for my son who has outgrown a 5 point harness, and he is loving it! He tells me how comfy it is and how much he loves his upgrade! I am impressed how easy it was to install and how nice the fabric is! It seems very durable which is great for how rough my boys can be and also very safe. I would definitely recommend to any family looking to move there child into something bigger, who can get in and out on there own!
ProsEasy install, Beautiful fabric, seems really safe and durable!
Conscup holder could be better
Best Usesfor older children 6 and up
By Tiffany
Homestead, Florida
June 14, 2018
Love our nuna booster !
Very happy with our purchase! Needed a high back booster for my six year old son and for once I don't have to argue with him to sit in it.. he loves it! The material is so soft and the head cushion is perfect for when he falls asleep in the car. The actual car seat is large and still has a lot of room for him to grow with it. Easy to instal and easy to wipe down clean. But my favorite part of all is that the seat stays in place while I'm driving with the seat anchors!
ProsHead cushions Height and width adjustable Comfortable Stays in place!
ConsCup holder always falls off
By Gloria
May 23, 2018
great quality
Great quality super easy to install I just took one star because of the arm's rest is too short, it is useless unless it is on backless mode, My kid says he is comfortable.
By Summer
May 15, 2018
Great design
Awesome design and my daughter loves it. Quick and easy to install in the car.
By Kingston
Washington, DC
May 11, 2018
Very good quality and design
Purchased this for our 5 year old. It's very well made and easy to put use. The overall design is solid.
By Aly
May 11, 2018
Awesome car seat!
Excellent quality, sturdy and well built. Easy to install and very comfortable. My five year old daughter loves it. Definitely recommend!
By Uri
May 5, 2018
Great quality
One of few car seats that actually look good. Great quality and design. Only issue I have is the cup holder could be bigger or even better if it was adjustable. Other than that it is awesome.
ProsGreat color Good design Adjustable
ConsOptional Cup holder is small
By Sarah
May 3, 2018
Easy to install and super comfy for my big, 6 year old. Love the recline feature and feels so much more sturdy than other brand boosters! Would definitely purchase again!
By Brooke
Irvine, CA
May 2, 2018
My daughter loves it
Seems sturdy and safe. It came with accessories that you may end up needing to make it fit correctly in your car. Looks good and sleek... still takes up a lot of space though. All in all we like it.
By Mandy
April 15, 2018
Very attractive, comfortable and safe.
This booster has many adjustments for comfort and safety. It is also very attractive.
By Giuliana
Germantown, Maryland
March 28, 2018
Great car seat
I ordered this for my almost 5 year old. He looks so comfortable and doesnt complain anymore! Love the color and style and most importantly that it will grow with my son.
By Allison
South Portland, Maine
December 13, 2017
AACE Booster
So far, so great- we love this booster seat. Our 4 year old (almost 5 year old) weighs in at about 48 lbs, making this seat a great option for him. We have the Nuna convertible seat also, which is great for the earlier stages. I thoroughly researched seats and was between this and the Clek Foonf. Ultimately, I decided to go with this one based safety ratings and looks.
ProsSleek, great headrest for sleeping
By leah
Carmel, Indiana
October 30, 2017
Very High Quality
I bought this car seat for my daughter (age 6) and it is amazing! Very sturdy, high quality and most importantly, she doesn't complain about it. I feel great knowing she is in a high back booster and the wrap around style still gives her plenty of room! Additional "growing" features are great! I could not recommend this seat enough!
By Crystal
Las Vegas, NV
April 26, 2017
Amazing... Wide, but also VERY amazing!
I always like to use something for a few weeks before I attempt to tell anyone how great it is. I am a mom of 3 and a certified foster home, so trust me when I say I've seen my fair share of car seats + boosters! This particular one is super easy to assemble, even if you are outnumbered by tiny humans and running on tiny energy fumes. You just snap the two pieces together, and bam. Done. Installation is also idiot proof. Give the booster one good push and you're golden. Also, removing the booster to transfer from car-to-car is as simple as pressing in two buttons and pulling the booster out. As far as being comfortable, my 4 year old falls asleep in this thing almost every time he's in it. And, it is, by far, the most padded booster (and maybe even car seat) I've ever felt. We have two Clek's and one Evenflo at the current moment, and this is squishier than ALL three. The seatbelt guide is a nice feature, as is the cupholder. The fabric REALLY does wick away heat! We live in Vegas, so I can definitely say that with confidence. Aside from all of that, the side/neck/head coverage is amazing and I feel really good about my little guy being in it! His head DOES NOT slump forward, not ever, not even once. We have an Infiniti JX35 and a Nissan Rogue, and his head doesn't slump when this seat is installed in either vehicle, regardless of the recline of the seat. We love this thing, and so does the little guy. Highly, highly recommend.
ProsHigh quality material, Easy installation, Comfortable, Heat Wicking, Cup holder
Best UsesIf you have TALL tiny humans!!!! The extra pull-out leg area is AMAZING!
By Victoria
Occidental ca
December 31, 2016
Great seat that grows with your child.
Excellent carseat! My daughter is comfortable, safe, its attractive and it will grow with her for many years to come.

2 Questions & 1 Answer
from MA asked:
May 10, 2018
What is the difference between the 2016 and 2018 models?

jennifer Konecny
from asked:
December 17, 2017
Does this seat have fire retardant
1 Answer
Per Nuna: They do use on the back of the seat but not on the fabric or anything that touches the child.
Customer Service
on December 18, 2017

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