Personalized 1st Birthday Construction Truck Boy Outfit Long Sleeve T-Shirt. Cute construction work truck with I'm one quote for a little boy turning 1 year old. 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