UPPAbaby ARIA Infant Car Seat + Base


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UPPAbaby ARIA Infant Car Seat and Base

Poised to usher in a new generation of infant travel, UPPAbaby has set out to redefine the standards of safety, innovation and comfort with the introduction of the ARIA Infant Car Seat.  Weighing in at just under 6 lbs., the ARIA is the very embodiment of lightweight, setting a new standard as the market’s lightest car seat. With an ergonomic aluminum carry handle designed for both effortless portability and stability, the ARIA offers unparalleled ease for on-the-go parents, making any journey a breeze.

Safety does not take a back seat to the ARIA's lightweight convenience. The SmartSecure® System features red-to-green visual indicators making installation a breeze.  Enhanced, side impact protection provides greater head containment while the included base provides a load leg for additional stability and energy absorption.  In addition, the 5th anti-rebound handle position ensures increased safety in rebound and rear-impact collisions, while the European Routing option provides for a more secure installation when installing without the base. 

The extra-large UPF 25+ hideaway canopy with back panel ventilation and pop out extended sunshade provides additional airflow and sun protection when needed, keeping little one cool and comfortable on all your adventures.  For added convenience, the ARIA seamlessly integrates with the UPPAbaby Vista and Cruz strollers, while easy-to-use adapters are available for the Minu and Ridge models. 

Key Features:

  • Lightest infant car seat on the market weighing just under 6 lbs.
  • Included base with load leg for additional stability and energy absorption
  • Adjustable headrest for a more accurate and customized fit as baby grows
  • Extra-large UPF 25+ hideaway canopy with top ventilation and pop out extended sunshade
  • SmartSecure® System with red-to-green visual indicator accurately installs in seconds
  • GREENGUARD® Gold Certified to support healthier air quality and low chemical emissions
  • Direct attachment for Vista and Cruz strollers with convenient adapters available for the Minu and Ridge
  • Two-piece robust infant insert ensures proper fit and body positioning for preemies from 4 lbs. with ability to fit babies up to 4 months
  • Ergonomic Aluminum Carry-Handle designed for added stability and optimum portability
  • Greater head containment to improve side impact protection
  • Simple one-crotch buckle position and no-rethread, adjustable harness makes buckling up a breeze
  • 5th anti-rebound handle position for increased safety in rebound and rear-impact collisions
  • European Routing for a more secure installation when installing without the base
  • Back panel ventilation for additional airflow keeping baby cool and comfortable
  • Removeable, machine-washable fabrics
  • All fashions are Fire Retardant Free through DualTech™ fabrics
  • FAA certified for aircraft use with or without base Base:
  • Narrow 17” wide footprint to allow three seats across comfortably
  • Anti-Rebound + Panel for increased safety in rebound and rear-impact collisions
  • Auto-Retracting LATCH for effortless installation
  • Built-in lock-off for secure seatbelt installation
  • Four-position adjustable foot for easy leveling and to accommodate various seat angles
  • Streamlined, low-profile base with finished bottom
  • Bubble Level indicators on both sides show when the base is in the correct level position for installation
  • Base is compatible with the Aria and Mesa Max infant car seats
  • Base is not compatible with the Mesa and Mesa V2 infant car seats

What’s Included:

  • Aria Infant Car Seat
  • Aria Base
  • Two-Piece Robust Infant Insert


  • Approximately 0–1 years
  • Suitable from 4–30 lbs., or up to 30” in height, whichever comes first (US only)
  • Included infant insert suitable from 4–9 lbs. with bottom piece and back inlay
  • Included infant insert suitable up to 4 months with back inlay only
  • Weight of Carrier: 5.9 lbs.
  • Weight of Base: 12.6 lbs.
  • Dimensions of Carrier: 24.5” L x 17” W x 18.5” H
  • Dimensions of Base: 23.9” L x 14” W x 15.2” H