The Endura FS260 Pro Skull Cap offers no fuss, just functionality - add extra warmth to those cool, crisp rides with the FS260-Pro Skull Cap. 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 repellency.  The Endura FS260 Pro Skull Cap Features Luxurious Thermoroubaix® panels with PFC Free DWR M™ treatment provide insulation, comfort and water repellency Low profile stretch binding Reflective trim The Endura FS260 Pro Skull Cap Materials  Nylon 55% / Polyester 28% / Elastane 17%