Personalized Cystic Fibrosis Brother Toddler Sweatshirt. Show support with this purple butterfly awareness design that says Cystic Fibrosis I Love My Brother Toddler Sweatshirt - Mauve. 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