Personalized Safari 1st Birthday Jungle Animal 1 Year Old Long Sleeve T-Shirt. 1st Birthday Long Sleeve T-Shirt - White with safari hat number 1 and lion jungle animal. 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