The Nike Dri-FIT UV Miler Short Sleeve is designed so you can take on your next run with more comfort and mobility than ever. The all-new fabric is ultra-lightweight allowing for amazing airflow and stretch. Constructed with UVA and UVB protection you're ready to tackle the miles no matter how much the heat tries to drain your energy. Nike Dri-FIT technology moves sweat away from your skin for quicker evaporation, helping you stay dry and comfortable.