Zelos Tops were developed to help you to reach optimum performance as both a first layer in colder weather conditions & as your choice of garment for those warm summer runs. Fit Sitting close to the body, the Zelos Short Sleeve Top is finished with anti-chafing flat seams to optimize comfort under intense resistance & a thumbhole for increased hand coverage. Performance Fabrics Built for performance, the Zelos Tops lightweight fabric holds naturally wicking properties to keep you dryer for longer. Mesh panels are featured under the arms to increase ventilation flow & breathability. Reflective Finishes The Zelos Short Sleeve Top features a reflective dhb logo & reflective tabs finished with a fluro yellow print to aid visibility in low light conditions.