Winter Safety Buckle Up MN What to wear baby in car seat during winter? 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 This your yearly winter reminder that snowsuits or bulky items of clothing are a big NO NO in car seats. Always harness your baby in correctly and do the pinch test. Want to learn more? Your in the