aace™

aace™ is rated 4.9 out of 5 by 20.
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from $249.95
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From cute pre-schooler to independent pre-teen. It’s the longest and shortest time, and AACE grows right along with your child.

They’ll enjoy wearing a seatbelt just like you do. And you’ll be happy because you know they’re safe. And comfy. When they have an adjustable headrest, and an extendable, expandable seat with eight recline positions, how could they not be?

Features

  • 3D growth™ system
  • Converts from a high back to a no back booster
  • Customizable 8 position recline with one-hand, 9 position headrest
  • Energy absorbing side impact protection
  • From fabric to foam and beyond, each element is smartly sourced to be both flame resistant and contain no added fire retardant chemicals
  • AACE allows you to re-think the way your child rides wih a seat that grows just like they do
  • 2-in-1 design - Converts from a high back to a no back booster
  • 3D growth system is...
  • 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
  • Comfy, built-in arm rests
  • Energy absorbing foam and SIP pods take side impact security to the next level
  • Customizable recline with one-hand, 9 position headrest
  • Lower anchor connectors allow for 8 position recline in high back mode & easily secure car seat to vehicle seat during use or transport
  • Colored belt path indicators help decrease risk of user error
  • Belt positioner aids in correct shoulder belt routing and minimizes user error
  • Ventilation panels within the shell and breathable (and washable!) knit fabric create a comfy climate for even the longest of trips
  • Included AACE starter kit - with dishwasher safe cup holder

Product specifications

  • Overall seat dimensions (highest position - HBB):
  • L 15 x W 22.5 X H 33 in.
  • Overall seat dimensions (lowest position - HBB):
  • L 14.6 x W 21.5 X H 26 in.
  • Weight:
  • 15.6 lbs.
A: The AACE can be used when the child outgrows their harnessed car seat by weight and height, and as long as they can sit with their back against the vehicle seat with their knees bent at the edge of the booster without slouching, and as long as they can sit properly restrained in the seat for long periods of time, and can do this every time. Children must also meet all of the following criteria for a high back: at least 4 years old, height is between 38-60 inches, and weight is between 40-110 lbs Children must meet all of the following criteria for no back mode: at least 5 years old, height is between 38-60 inches, and weight is between 50-120 lbs
Rated 5 out of 5 by from Great seat I love this seat! My 7 y/o son is on the smaller side and it was more difficult to find a booster seat that fit his measurements. This seat has been great for his size as well as for his confidence. I will say that I found the assembly instructions to not be that great but the install was very easy. I ended up watching a YouTube video in order to assemble and install.
Date published: 2023-01-23
Rated 4 out of 5 by from LOVE, minus one smaller adjustment Overall LOVE this car seat! Giving it 4 star only bc the cup holder isn’t big enough for my daughter’s water bottle (annoying). I hope they make it a bit bigger before we purchase our next one soon.
Date published: 2022-11-19
Rated 5 out of 5 by from Worth the wait We love it! We upgraded our daughter from a NUNA convertible seat that she was very happy sitting in, and her booster is just as comfortable for her. Plus it installs very securely in the car which makes me comfortable as well. Love that she can grow into the backless booster as well.
Date published: 2022-11-17
Rated 5 out of 5 by from Nuna AACE We LOVE this seat. I did in depth research for about a month before deciding on which seat would work best for us. This will most likely be our last one, as it grows with the child and can be used in more than one way. The seat base is long enough to be comfortable for long car rides. It's not too wide, but not too narrow. It's perfect.
Date published: 2021-03-18
Rated 5 out of 5 by from Car seat Wonderful product. Easy to install. Sturdy and comfortable.
Date published: 2021-03-11
Rated 5 out of 5 by from Great design and super comfortable! My son has been using his seat for a few months now and is loving it. It fits him perfectly and is so comfortable. I love that it locks into the car’s seat to keep it from wiggling around. And the seat belt guides make this seat dummy proof.
Date published: 2019-07-17
Rated 4 out of 5 by from Great Seat Love this seat! It fits great in my husband's Honda Pilot and my kiddo loves it too! Only reason for 4 stars is that it had seatbelt retraction issues in my GMC Terrain (honestly, most seats have issues in my car) but I have not tried removing the headrest as I haven't called GMC to check if that's ok with them.
Date published: 2019-02-16
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Grow on

2-in-1 design

easily converts as your child grows.

High-back booster
at least 4 years old | 40–110 lbs.

No-back booster
at least 5 years old | 50–120 lbs.

GROW UP

9-position, one-hand height-adjustable headrest.

GROW OUT

Shoulder width works simultaneously with the headrest, expanding out while growing up.

GROW ON

Seat sports 3 depths, giving growing legs plenty of support and space.

Energy absorbing foam 

and SIP pods take side impact protection to the next level.

Included cupholder

is dishwasher-safe.

Belt positioner

aids in correct shoulder belt routing.

Lower anchor

connectors allow for 8-position recline in high-back mode and easily secure car seat to vehicle seat during use or transport.

Built-in armrests

mean little arms can take a break.

Colored belt path

indicators help decrease risk of user error.

Grow on

2-in-1 design

easily converts as your child grows.

High-back booster
at least 4 years old | 40–110 lbs.

No-back booster
at least 5 years old | 50–120 lbs.

GROW UP

9-position, one-hand height-adjustable headrest

GROW OUT

Shoulder width works simultaneously with the headrest, expanding out while growing up

GROW ON

Seat sports 3 depths, giving growing legs plenty of support and space

Energy absorbing foam

and SIP pods take side impact protection to the next level.

Included

cupholder

is dishwasher-safe.

Belt positioner

aids in correct shoulder belt routing.

Built-in armrests

mean little arms can take a break.

Lower anchor

connectors allow for 8-position recline in high-back mode and easily secure car seat to vehicle seat during use or transport.

Colored belt path

indicators help decrease risk of user error.

 

MADE WITH

FR-free materials

Fire retardant free.
Naturally flame resistant.

MADE WITH

FR-free materials

Fire retardant free.
Naturally flame resistant.

GREENGUARD GOLD CERTIFICATION PRODUCT CERTIFIED FOR LOW CHEMICAL EMISSIONS UL.COM/GG UL 2818 GOLDGREENGUARD GOLD CERTIFICATION PRODUCT CERTIFIED FOR LOW CHEMICAL EMISSIONS UL.COM/GG UL 2818 GOLD

CERTIFIED
GREENGUARD GOLD


Breathing clean air is essential for your little one’s health. Eliminating sources of chemical emissions is the most effective way to reduce indoor air pollution according to the U.S. Environmental Protection Agency.

As part of our commitment to mindful manufacturing, many Nuna products meet the standards for GREENGUARD GOLD certification. This means that they have been thoroughly tested and certified to meet stringent emissions standards for over 360 volatile organic compounds (VOCs) and chemical emissions.

Less indoor air pollution

Less risk for chemical exposure

Healthier environment for all 

GREENGUARD GOLD CERTIFICATION PRODUCT CERTIFIED FOR LOW CHEMICAL EMISSIONS UL.COM/GG UL 2818 GOLDGREENGUARD GOLD CERTIFICATION PRODUCT CERTIFIED FOR LOW CHEMICAL EMISSIONS UL.COM/GG UL 2818 GOLD

CERTIFIED
GREENGUARD GOLD

Breathing clean air is essential for your little one’s health. Eliminating sources of chemical emissions is the most effective way to reduce indoor air pollution according to the U.S. Environmental Protection Agency.

As part of our commitment to mindful manufacturing, many Nuna products meet the standards for GREENGUARD GOLD certification. This means that they have been thoroughly tested and certified to meet stringent emissions standards for over 360 volatile organic compounds (VOCs) and chemical emissions.

Less indoor air pollution

Less risk for chemical exposure

Healthier environment for all