Personalized Future Cyclist Childs Bicyle Long Sleeve T-Shirt. Future Cyclist Long Sleeve T-Shirt - White for children who might enjoy cycling when they grow up has silhouette bicycle design, great for a family who believes in fitness and low carbon footprint green living. 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