climalite® fabric Rounded neck Long sleeves Thumbholes for extra coverage Slim fit Reflective stripes Keep on running with this practical, performance-supporting Supernova Long Sleeve Running T-Shirt from adidas. This long-sleeved tee is made with climalite® fabric technology that wicks sweat away from your skin to leave you dry, comfortable and focused on your run. It is made in a slim fit, with reflective stripes to help you stay seen when running at dawn or dusk when the light is poor.