Personalized It's My 1st Cinco De Mayo Men's V-Neck T-Shirt. 1st Cinco De Mayo Men's V-Neck T-Shirt - White has big sombrero for baby's 1st fiesta. Celebrate! 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