The Endura Pro SL Headband is a cold weather essential. The perfect product to keep the early-morning chill off your ears, and then stash away in your back pocket when you’ve warmed up. Endura Pro SL Headband Features 4-way high stretch windproof panels protect critical areas Luxurious Thermoroubaix® panels with PFC Free DWR M™ treatment provide insulation, comfort and water repellency Low profile U-form binding Ergonomic, pre-shaped panel construction Dark reflective trim Endura Pro SL Headband Materials  Polyester 54% / Nylon 27% / Elastane 14% / PU 5%