The Endura Pro SL Winter Cap provides excellent coverage on the back of your neck and over your ears. The combination of the peak and DWR M™ treated Thermoroubaix® and windproof fabrics makes this a go to cold weather product.  Endura Pro SL Winter Cap Features Luxurious Thermoroubaix® panels with PFC Free DWR M™ treatment provide insulation, comfort and water repellency Low profile stretch binding Reflective trim Endura Pro SL Winter Cap Materials Polyester 54% / Nylon 27% / Elastane 14% / PU 5%