Personalized I'm Three Comic Book Men's V-Neck T-Shirt. Pow! Cool! Ka-Boom! I'm Three! Cool comic book style birthday gift for any three year old superhero's 3rd birthday! 4.7 oz., 100% pre-shrunk cotton Narrow, set-in 1x1 mitered V-neck collar Shoulder-to-shoulder taping Double-needle stitched sleeves and bottom hem