Outpace the heat in this Radical AirFlow top. It pairs a fiercely breathable, open-hole fabric with Nike Aero-FIT technology, which helps circulate air between your skin and the fabric for better airflow and cooling. Fit & Design: Strategic openings at the elbows allow for a wide range of motion It feels soft and smooth and features fold-over elastic trims for reliable comfort and durability Technology: Nike Aero-FIT technology is designed for maximum breathability. It allows airflow against your skin to help you stay cool when temperatures are high.