Keep him comfortable and safe in the Under Armour® Boys' HeatGear® Sonic Short Sleeve Top. The UPF 50+ sun protection keeps his skin safe from the sun's harmful rays, and the blend of 84% polyester and 16% elastane with the Moisture Transport System wicks sweat and dries quickly. Anti-odor technology keeps his gear fresh, while the smooth, antipick, antipill fabrication adds durability. Screen-printed UA logo on the center chest. Short sleeves.