Boys' Under Armour Charged+ Assert 11 Running Shoes Under Armour Charged+ Assert 11 is a boys' athletic sneaker made for running, school, and active everyday wear. The lace-up closure helps secure the foot, while the low-top construction supports flexible ankle movement. A mesh-like upper promotes airflow, and structured overlays add support through the toe, heel, and eyestay. The thick cushioned midsole and rubber outsole help provide underfoot comfort and traction during daily activity.