Personalized Mechanic Skull Women's V-Neck T-Shirt. Mechanic skull! An angry skull with an open end wrench and socket wrench instead of crossbones, and metal wings behind it all. Cool gift for your favorite mechanic! 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