As a general rule, bulky clothing, including winter coats and snowsuits, should not be worn underneath the harness of a car seat. In a car crash, fluffy padding in a coat immediately flattens out from the force, leaving extra space under the harness. A child can then slip through the straps and be thrown from the seat.
How do I know if a coat is car seat safe?
Take the coat off, put your child back in the car seat, and buckle the harness straps, which should be adjusted just as they were when the child was wearing the coat. If you can pinch the webbing between your thumb and forefinger now, then the coat is too bulky to be worn under the harness.7 Dec 2020
Can you put a baby in a car seat with a hoodie on?
Winter is a tricky time for car seats. As a general rule, bulky clothing, including winter coats and snowsuits, should not be worn underneath the harness of a car seat. In a car crash, fluffy padding in a coat immediately flattens out from the force, leaving extra space under the harness.