Absolutely. THE ROAD COAT has been fully crash tested by an independent crash test lab and reviewed by a renowned national expert in the field of child passenger safety (CPST). In addition, a certified instructor for both the National Highway Traffic and Safety Administration has provided their full approval of THE ROAD COAT for use with car seats.
To be clear, THE ROAD COAT is compatible with car seat use, it tested similarly to not wearing a coat in the car seat at all !