Personalized That Was Pretty Cool 100 Days Of School Toddler Sweatshirt. Celebrate your child's milestone with our That Was Pretty Cool 100 Days of School design. This adorable and happy design is perfect for showing off their achievements and bringing a smile to everyone's face. 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