Personalized Look Who's One Bear Long Sleeve T-Shirt. Look who's one! A cute stuffed teddy bear opens a birthday gift full of heart balloons. Cute gift for the one 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