Personalized Under Arm Hair Pink Toddler Sweatshirt. Under arm hair is the best kind of fashion to wear, if you're human and you have hair on your body. Let the world know you don't work out, and have hair. 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