Personalized Coolest Firefighter Ever Toddler Long Sleeve T-Shirt. Coolest firefighter ever! Who's the best firefighter? This one! Two thumbs up for this firefighter. A classic for Fall, Winter and Spring, these long sleeve toddler t-shirts are sure to be a staple in your child's wardrobe. Whether layered or alone, this t-shirt is soft yet durable enough to stand up to your toddler's playtime demands.