Grow On.

From cute pre-schooler to independent pre-teen — it’s the longest and shortest time, and the Nuna AACE grows right along with your child. Every element, from fabric to foam and beyond, is smartly sourced to be flame resistant with no added fire retardant chemicals.

3D Growth™ System

• Grow up — one-hand 9-position height-adjustable headrest
• Grow out — shoulder system expands simultaneously with the headrest
• Grow on — 3 seat depths give growing legs plenty of support and space

Security

• Energy-absorbing foam and SIP pods for advanced side impact protection
• Belt positioner aids correct shoulder belt routing and minimizes user error
• Colored belt path indicators decrease risk of installation error
• Lower anchor connectors secure the seat to the vehicle during use or transport

Comfort

• 8 recline positions (in high back mode with lower anchor connectors)
• Ventilation panels within the shell for a comfortable climate
• Breathable, machine-washable knit fabric
• Built-in armrests
• Flame-resistant materials with no added fire retardant chemicals

2-in-1 Design

• Converts from high back booster to no-back booster as your child grows

Sleek Details

• Sleek micro-knit fabric — easy to remove and machine washable
• Removable, dishwasher-safe cup holder

What’s Included

• AACE starter kit: cup holder, belt-positioning clip, and set of LATCH guides

Specifications

• High back booster: 40–110 lbs | 38–60" | 4 years+
• No-back booster: 50–120 lbs | 38–60" | 5 years+
• Dimensions: 22.5"H × 12"W × 14.5"L
• Weight: 15.6 lbs

All car seats are final sale. Please read our return and exchange policy before purchasing.

Posh Baby is a family-owned Portland boutique specializing in premium baby gear since 2007. Enjoy tax-free shopping in most states. Local customers receive a complimentary car seat installation appointment with every purchase.