Why do experts say children shouldn't wear a puffy jacket in the car?

(KXAN) — With winter temperatures dropping rapidly, you may think it is time to bundle up. However, parents could be putting their children in danger by simply putting them in a nice warm coat.
The American Academy of Pediatrics said puffy coats should not be worn by children in a car seat. According to experts, the fluffy padding "flattens out from force." In an accident, this means the child's safety harness cannot properly protect them. Albuquerque police use helicopter to catch teens a