Personalized 1st Birthday Polka Dot 1 Year Old Toddler Sweatshirt. Celebrate baby's 1st birthday with this cute polka dot number 1 on a Toddler Sweatshirt - White Keep your little one cozy and stylish with this soft and durable toddler sweatshirt. Designed for comfort and ease of movement, it features a classic fit with ribbed cuffs and hem for added warmth. Perfect for everyday wear, playtime, or chilly outings, this sweatshirt is made to withstand the adventures of an active toddler