An extra Aria Infant Car Seat base allows you flexibility and ease of travel. Ideal for multiple family vehicles – no more swapping car seat bases between relatives, babysitters or spouses! Compatible with Aria and Mesa Max infant car seats Not compatible with Mesa and Mesa V2 infant car seat Load leg for increased safety and reduction in head/neck injury Anti-Rebound+ Panel for increased safety Bubble level indicators on both sides to aid in getting correct angle during installation (Included 0–4-month label to instruct on use with Robust Infant Insert) Auto-retracting LATCH for effortless installation Built-in lock off for secure seatbelt installation SmartSecure System + Red-to-Green indicators Four-position adjustable foot for easy leveling Streamlined, low-profile base with finished bottom in all black GREENGUARD® Gold Certified to support healthier air quality and low chemical emissions Ensured Safety for Every Ride Having an extra car seat base makes life a breeze when you’re switching between cars. You can install your child’s seat quickly and safely in different vehicles, giving you total peace of mind and making those on-the-go moments a whole lot easier. Adjustable Load Leg The Aria base includes an adjustable load leg that adds stability and increases overall safety. It also helps to limit forward rotation during a front collision and reduce the chance of a head or neck injury. Safety You Can See The Aria base offers rapid installation, thanks to our SmartSecure® system, auto-retracting LATCH design, bubble level indicators, and intuitive red to green visual cues. Plus, its base features a four-position adjustable foot for effortless leveling. Anti-Rebound+ Panel The anti-rebound+ panel provides increased safety and protection by limiting the rotation and movement of the car seat in the event of a rear-impact collision. 0901-ARB-US PLEASE NOTE: If item is not in stock, please contact KNK for the estimated date of availability based on manufacturer information. KNK is unable to guarantee a specific date of availability.