uppababy base UPPAbaby Infant Car Seat Base

The Uppababy Aria Extra Base (SKU?0901-ARB-US) offers effortless convenience by allowing parents to install a second car seat base in an additional vehicle—ideal for daycare, grandparents' cars, or carpooling. It features the SmartSecure® installation system, which includes auto-retracting LATCH connectors and easy-to-read red-to-green indicators, ensuring a fast, correct, and secure fit. The base’s adjustable load leg significantly reduces forward rotation and head/neck injury risk in frontal collisions, while the Anti-Rebound+ panel offers enhanced stability in rear impacts. With a four-position adjustable foot and dual bubble level indicators, correct installation is simplified across different vehicle seat angles. The base also has a built-in lock-off for seat belt installation and a finished smooth underside to protect vehicle interiors—all while maintaining a sleek all-black design. Friendly for multi-vehicle households and certified to GREENGUARD® Gold standards for low chemical emissions