Personalized Red Tractor 1st Birthday Men's V-Neck T-Shirt. Red tractor 1st birthday Men's V-Neck T-Shirt - White with polka dotted red tractor and big yellow number 1. 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