Personalized One of a Kind Nai Nai Quirky Trendy Groovy Style Toddler Sweatshirt. One of a Kind Nai nai in Playful Trendy Groovy Style. 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