This 100% Dri-Fit running top is not only lightweight and breathable, but also provides UV protection and 360 reflectivity for added visibility.UV protection - to give you some protection from the sun on those hot sunny days.360 reflective piping for increased visibility in dark conditions keeping you safe and seen.Dri-Fit moisture management fabric.Dri-Fit construction draws sweat away from the body, keeping you cool and comfortable.Nike + - Nike + cord management solution at the back of the neck to keep those wires out of the wayFlatseam Construction - reduces chaffing and rubbing which can occur, improving comfort and also freedom of movementGreat for the gym, running or for many other fitness activities.