Personalized Dump Truck 1st Birthday Long Sleeve T-Shirt. Long Sleeve T-Shirt - White with big number one and yellow and orange dump truck with dirt graphic. This Is How I Roll. 1st birthday gift for boys and girls who love construction and dump trucks. 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