Helios, the Greek god of the sun, l***s his name to this lightweight Nike shirt — a fitting reference for a piece designed with warm-weather exploration in mind. Breathable fabric, sweat-wicking Dri-FIT technology and UV protection work together to keep you comfortable when the sun is high and the miles keep coming. 100% Polyester Panels: 72% Nylon, 28% Elastane Dri-FIT Technology UV Protection Classic Collar Snap Button Closure Embroidered Branding Style Code: II2350-010