Personalized Environmental Eggineer Men'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. 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