December 13, 2020

Why Kids’ Puffy Coats and Car Seats Are a Dangerous Combo

How to keep your little one warm and safe in the car

infant with puffy coat in getting put in care seat

In the middle of winter with cold temperatures and blustery winds, it’s important to keep your little ones all bundled up. But that warm coat can actually get in the way of protecting your children in a car crash.

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Bulk doesn’t pair well with buckles

Children shouldn’t wear bulky winter coats underneath their car seat harness. The bulky coats we wear in winter — especially down-filled puffer coats — can make the child car seat’s safety harness ineffective, and unsafe in a crash.

The thing that makes puffer coats warm — that they trap air with lots of loose feathers and down — is the exact same thing that makes them dangerous in the car seat, according to pediatrician Kimberly Giuliano, MD.

When a vehicle accident is extreme, the violent force that’s created by the impact compresses the bulky coat layers and can throw a child forward against the straps. Even if the child remains in the seat they risk injury to their chest, head and neck.

“Those big bulky coats cause too much separation between the belt and the child,” Dr. Giuliano says. “In a crash, the child is at risk for slipping out from under the straps.”

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Even in less intense crashes, a bulky winter coat allows too much movement in that space, which can result in head and chest injuries, Dr. Giuliano says.

Tips for a proper fit

Dr. Giuliano recommends that you remove your child’s winter coat once you’re inside the car.

After you strap them in snugly, cover smaller children with a blanket or put the coat on them backwards with their arms through the armholes. Loose blankets are not recommended for young infants under 1 year of age who may not be able to get the blanket off their face.

“The child may fit in the car seat with their coat on and the buckle closed, but it doesn’t mean that the buckle is holding them tightly in the seat,” Dr. Giuliano says.

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“The key is that the seatbelt needs to be tight against the baby and not be separated from the baby by layers of cloth or down,” she says.

To test if their coat is too thick for a car seat, try these steps:

  1. Strap your child into the seat with their coat on.
  2. Undo the straps without loosening them and remove the coat.
  3. Re-fasten the straps and see if there’s enough room to fit your hand in between the straps and your child.
  4. If there’s room for your hand, the coat is too thick to wear in the car seat.

“It’s very important that the harness is tight enough so you can’t pinch the webbing between your thumb and forefinger,” Dr. Giuliano says. “Any extra slack in the harness can be very dangerous.”

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