Personalized 78th Birthday Party Men's V-Neck T-Shirt. Get ready to celebrate with this Party 78 Rocks 78th Birthday Men's V-Neck T-Shirt - White. 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