Targeted ventilation with sweat-wicking support - Nike Pro Hypercool technology Ventilation - Mesh in high-heat zones Seamless shoulder construction Breathability - Tiny pinholes in the front panel Fits close to the body without compression Reduced irritation caused by chafing - Flatlock seams Swoosh design trademark at the upper left chest Language of Cooling pattern in high-heat zones features a pod design with stretch mesh to increase airflow for enhanced breathability. New and updated, Nike's Pro Hypercool Training Top is lighter and more breathable than its predecessor. This training top features a fitted design allowing freedom to move, while sweat-wicking technology and targeted ventilation that ensures breathability.