Personalized History Rocks T-Shirt. Three rocks with an Egyptian headdress, Roman helmet, Pilgrim's hat and turkeys is a humorous history design for back to school and graduation. Everyone loves our Custom T-Shirts! Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.