Personalized Royal Bioengineer Men's V-Neck T-Shirt. Bio Engineer text wearing a crown is a humorous bioengineering design. Tickle the funny bone of your favorite bioengineering king or queen at 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