Personalized Hello World Rainbow Baby Feet T-Shirt. This "Hello World" rainbow baby feet design is the perfect combination of sweetness and joy. The colorful rainbow represents hope, love, and the bright future of a newborn, making it a perfect way to share the excitement of welcoming a little one. With adorable baby feet and a joyful message, this design is a beautiful reminder of life's most precious moments. 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.