Design PhilosophyDesigned for the hardcore roadie who isn't fazed when the mercury drops, the Pro SL winter cap provides excellent coverage on the back of your neck and over your ears. The combination of the peak and C0 DWR treated Thermoroubaix and windproof fabrics makes this a go to cold weather product.Multi Fabric ConstructionCareful, clever fabric placmemt utilises 4 way high stretch windproof panels and luxurious thermoroubaix, providing a fantastic balance between weather protection and warmth.Thermoroubaix with DWR MThermoroubaix® is a luxurious, high stretch thermal fabric that provides comfortable insulation and features the PFC Free DWR Mtreatment for excellent eco friendly water repellencey.Features:Thermal, Windproof HeadwarmerLuxurious Thermoroubaix® panels with PFC Free DWR Mtreatment provide insulation, comfort and water repellencyLow profile stretch bindingReflective trim90 Day Satisfaction Guarantee