If you really want to eliminate wind chill from inside out, the Castor WB is your match. By using a windbarrier 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. Features Polyester knit REV’IT! WindBarrier® fleece breathable Water repellent and windproof Fit ergonomic fit