Boys' Adidas Infant & Toddler Racer TR23 Running Shoes Add comfort to your little one's daily activity in the adidas Racer TR23 sneaker. With a flexible textile upper and a rear pull tab for easy entry, this lace-up sneaker offers security with a hook & loop ankle strap. The Cloudfoam midsole cushions every step, while the rubber outsole provides traction and stability.