Amazon.com: AIMAOMI Baby Girl Clothes 3 6 9 12 Months Outfits Long Sleeve Knitted Romper & Heart Pants Fall Winter 3Pcs (Beige, 6 9 Months): Clothing, Shoes & Jewelry Baby Winter Essentials: Cold Weather Gear for Babies 18 Months Dressing Your Baby for Cold Weather: Best Winter Baby Gear When winter rolls in, it's natural to wonder if your baby is warm enough at bedtime. To make those colder nights feel a little simpler, we've put together a handy sleepwear guide