How to Dress Your Winter Newborn on the Way Home from the Hospital Feltman Brothers Wearing bulky clothes or winter coats can prevent a snug fit of a car seat harness. Buckle up, then add coats or blankets over the top of your child. Find more safe SAVE & SHARE! Winter is coming so we wanted to share some important information!, Winter clothing such as coats, thick jackets and snowsuits should not be worn in the car seats , For many Amazon.com: Winter Baby Car Seat Cover, Carseat Cover for Baby Seat or Stroller, Windproof Warm Infant Car seat for Newborn Keep Babies Warm Bunting Bag (Black) : Baby Winter Is Coming Are Your Car Seats Prepared?