Personalized Royal Bioengineer Women'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. 5.0 oz., 100% pre-shrunk cotton Athletic Heather is 90/10 cotton/polyester 1x1 rib collar with mitered v-neck Shoulder-to-shoulder taping Ladies' fit