Personalized World’s Best Engineering technician Women's V-Neck T-Shirt. Engineering technician Women's V-Neck T-Shirt - White has cool sports style logo that says World’s Best Engineering technician on a great occupation gift idea or retirement gift. 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