Nuna 2017 PIPA™ Lite LX Infant Car Seat & Base The Nuna 2017 PIPA™ Lite LX Infant Car Seat & Base ($420) is incredibly light, weighing only 5.3 pounds. It exceeds American safety standards, and includes top-of-the-line features, including a "true-lock" base installation and aeroflex foam to absorb and diffuse crash impacts. Image Source: shop.nordstrom.com Nuna 2017 PIPA™ Lite LX Infant Car Seat & Base $420 from shop.nordstrom.com Buy Now