Personalized Mito Research Train Toddler Sweatshirt. Mito Research Green Ribbon Awareness Train Toddler Sweatshirt - Mauve has room to personalize and makes a unique way to show support for someone with a mitochondrial disease. 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