Design PhilosophyNo fuss, just function - add a little extra warmth to those cool, crisp rides with the FS260-Pro headband. Thermoroubaix with DWR M™ Thermoroubaix® is a luxurious, high stretch thermal fabric that provides comfortable insulation and features the PFC Free DWR M™ treatment for excellent eco friendly water repellencey. Endura FS260-Pro Stirnband - Thermostirnband