The Under Armour Boys T-Shirt delivers performance-driven comfort for active youth in sizes 10/12. This navy blue short-sleeve shirt features Under Armour's signature moisture-wicking technology that keeps sweat away from the skin, maintaining comfort during sports, workouts, or everyday activities. The lightweight, breathable fabric allows optimal airflow without sacrificing durability, while the classic crew neck design pairs seamlessly with any outfit. Engineered with quality construction, this activewear shirt resists fading and maintains its shape through repeated wear and washing. The versatile navy colorway transitions effortlessly from athletic pursuits to casual wear, making it a reliable staple for any young athlete's wardrobe. Built for performance and style, this shirt supports active lifestyles while delivering the comfort boys demand.