Personalized Luckiest 3rd Grade Teacher Men's V-Neck T-Shirt. Funny St. Patrick's Day Men's V-Neck T-Shirt - Black for grade school teachers with lucky horseshoe, pot of gold, Irish shamrocks and chalkboard text says LUCKIEST 3RD GRADE TEACHER IN THE WORLD. 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