Personalized Eggstreme Geocaching Toddler 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. A classic for Fall, Winter and Spring, these long sleeve toddler t-shirts are sure to be a staple in your child's wardrobe. Whether layered or alone, this t-shirt is soft yet durable enough to stand up to your toddler's playtime demands.