Made from an air-permeable, moisture-wicking jersey material featuring 20+UPF sun protection and reflective details, Zeroweight CHILL-TEC tops are extremely cool and lightweight. Featuring a slightly looser cut and actively-cooling, body-mapped ventilation zones, this running shirt maximises airflow around your body and cools by convection. Features: • 100% Polyester (recycled) • Imported • Pull On closure • Machine Wash • CHILL-TEC active cooling technology perfect for warm weather running. • BODY MAPPED ventilation for improved breathability. • 100% RECYCLED performance fabrics. • ZEROSCENT anti-odor technology keeps you fresh on the run. • REFLECTIVE DETAILS for low light conditions.