Huggies Baby Outerwear: This product is a Huggies jacket designed for baby outerwear Size: 18 Months: The jacket is available in size 18 months Size System: AS1 (Age-based): The size of the jacket is based on the age of the baby Fit Type: Relaxed: The jacket has a relaxed fit for comfort Closure Type: Pull On: The jacket can be easily pulled on for dressing Seasons: Winter: The jacket is suitable for winter wear