The 2XU Aero Trail Long Sleeve is built for big days outdoors, delivering lightweight protection and breathability for trail running and hiking. Made from ultralight quick-dry nylon mesh, it maximises airflow to help keep you cool while offering UPF 50+ sun protection for long hours in exposed conditions. A relaxed fit enhances comfort and freedom of movement across changing terrain, while HeiQ Fresh™ odour control and reflective trims add performance and practicality for extended adventures.