Nuna AACE Booster Seat

The Nuna AACE collection is thoughtfully designed for families looking for elevated safety, comfort and long-term functionality as children grow. With sleek design details, premium materials and advanced safety features, these booster seats help make everyday travel feel easier and more comfortable for both parents and kids.

A well-designed Nuna AACE booster seat offers more than just safety. Parents love the adjustable support, ergonomic comfort and easy-to-clean fabrics that make daily car rides more practical for growing families. The modern design also blends beautifully into today’s vehicles while maintaining the trusted functionality Nuna is known for.

The Nuna AACE booster car seat is designed to adapt as your child grows, offering adjustable head support, expandable seating and thoughtful comfort features for longer use. The Nuna AACE car seat collection combines safety and style in a way that feels both practical and luxurious.

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

Secure

• 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

Comfortable

• from fabric to foam and beyond, each element is smartly sourced to be flame resistant with no added fire retardant chemicals
• customizable recline thanks to 8 different positions*
• 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

*in high back mode only when using lower anchor connectors

Sleek

• sleek and chic micro-knit fabric is easy to remove and machine washable
• included cup holder is removable and dishwasher safe

Accessories

• AACE starter kit includes a cup holder, belt positioning clip & a set of LATCH guides (included with purchase)

Usage

• high back booster: 40–110 lbs. | 43-57 in. | suggested 4 years+
• no back booster: 50–120 lbs. | 43–60 in. | suggested 5 years+

Specifications

• Dimensions: 26"H x 15"D x 21.5"W
• Weight: 15.6 lbs.