Personalized Environmental Eggineer Women's V-Neck T-Shirt. Eggineers are engineering eggheads and this humorous egghead, muddy and wearing a respirator with environmental eggineer text, is a unique gift design for birthdays, holidays or 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