With its breathable design and body-hugging fit, the Nike Pro HyperCool Older Kids'(Girls') Short-Sleeve Training Top helps keep you cool and dry during tough workouts. Stay Dry Dri-FIT Technology helps you stay dry and comfortable by pulling sweat away from your skin to the fabric's surface, where it quickly evaporates. Stay Cool A mesh back keeps the air flowing where you need it most, helping you stay cool when your workout heats up. Versatile Design A slim fit makes the top as versatile as your workout: Wear it on its own or as a lightweight base layer under your jacket or hoodie.