Personalized 100 Days Of School 100 Days Of Cool Toddler Sweatshirt. Our 100 Days Of Cool design features a playful and vibrant design that will bring a smile to anyone's face. Whether you're a student, teacher, or parent, this apparel is a fun and stylish way to commemorate the 100th day of school. 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