Personalized Mechanical Gears Men's V-Neck T-Shirt. Mechanical Engineer in gray text and a row of gears below will put your favorite engineer in gear for the day. Unique gift design for your mechanical engineer at birthdays, holidays and graduations. 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