Personalized Geography Teacher's Rock Long Sleeve T-Shirt. Geography teacher's rock using rock as a noun instead of a verb with a happy rock holding the earth is a humorous gift design for your favorite teacher at back to school, birthdays and holidays. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL