You will need to know how wide your back seat is so you can accommodate the car seats. (mommystroller.com)
The hybrid comes with a traditional wide back panel, that you would expect from an infant carrier, to help support your infant's back and helps to support posture. (babycarrierhq.com)
They contribute to your aesthetics the same way a tiny waist, broad shoulders or wide back do. (fitnessandpower.com)