Featuring X-VENT fabric technology & a lightweight mesh back panel, the 2XU Aero Tee promotes easy ventilation to keep you cool on long hot runs. A double-knit moisture-wicking main panel quickly transports moisture away from the skin for rapid moisture management & reflective logos & trims on the front, arms & back work to keep you visible in low lighting conditions. Care Instructions Machine wash in cold water with like colours. Do not tumble dry. Hang to dry in a cool shady area away from sun. Do not use bleach, fabric softeners or dryer sheets. Do not iron.