Personalized Life's Ducky 4th Birthday Men's V-Neck T-Shirt. 4th birthday LIFE'S JUST DUCKY WHEN YOU'RE 4 Men's V-Neck T-Shirt - White with adorable baby duck. 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