Personalized UnBAAlievable 3rd Birthday Men's V-Neck T-Shirt. 3rd birthday IT'S UNBAALIEVABLE I'M 3! Men's V-Neck T-Shirt - White with funny dancing sheep wearing a polka dotted party hat and colorful balloons. 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