Personalized Eggstreme Geocaching Long Sleeve T-Shirt. Eggstreme geocacher text with an egghead wearing a hard hat and spiked hiking boots and holding a GPS, rope and walking stick, is a humorous design for geocachers at 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