The Nike Pro Hypercool Max Men's Short-Sleeve Training Top combines cutting-edge technologies to help keep you dry and cool during high-intensity workouts. Targeted Ventilation Mesh zones in high-heat areas enhance airflow where you need it most. Heat Deflection A metallised graphic deflects sunlight from your upper body, helping you stay cool during long outdoor training sessions. Dryer, Faster Lightweight Dri-FIT Technology helps you stay dry and comfortable by wicking sweat away from your skin to the fabric's surface, where it quickly evaporates.