Personalized Christmas Big Bro Announcement Boys Brother Men's V-Neck T-Shirt. Announce that your little boy will soon be a Big Bro with this cute Christmas tree holiday Men's V-Neck T-Shirt - White outfit for a future big bro. 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