Experience comfort and style with these gym t-shirts for boys and girls. Perfect for casual outdoor wear, cycling, trail running, hiking, golf, and other sports activities, these activewear shirts feature a comfortable fit made from lightweight and durable polyester. With built-in vent holes under the arms and CS-COOL technology, these shirts pull sweat away from your skin to keep you dry and comfortable. Ideal for a variety of sports such as soccer, football, baseball, and more, these versatile workout tops are designed to support a wide range of activities. The sleek and modern look, complete with a heat transfer logo, boosts young athletes' confidence on and off the field. Machine wash cold on a delicate cycle; wash with like colors and hang dry. Do not bleach, tumble dry, iron, dry clean, or use fabric softener.