Personalized Triangle Egghead Men's V-Neck T-Shirt. An egghead with a triangle is a cute musical design for percussion musicians, students and teachers at back to school, marching band season, birthdays, holidays and graduation. 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