The UA Vanish Energy Short Sleeve for men is designed to keep you comfortable and focused during your workouts. This shirt is lightweight, stretchy, breathable, and quick-drying, preventing it from becoming heavy with sweat. It's crafted with 90% polyester and 10% elastane, featuring an anti-odor technology to inhibit odor-causing bacteria. The side split hem provides a great fit and enhanced range of motion, while the overall design promotes breathability and a lightweight feel.