Personalized Cowboy 3rd Birthday I'm Three Men's V-Neck T-Shirt. Cowboy 3rd Birthday Men's V-Neck T-Shirt - White has cute striped number 3 with cowboy hat and lasso for your little cowboy's special birthday party. 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