REV'IT! Castor WB Windcollar
If you really want to eliminate wind chill from the inside out, the Castor WB is your match. By using a WINDBARRIER® fabric over the entire surface of the collar, wind doesn’t have a chance, regardless of its strength or direction. With elastic at the opening you can close the collar down completely, letting you to wear it exactly how you want.
Sizes: S to L