Crafted with an ultra-warm fleece liner, these muffs are your ultimate shield against frigid temperatures, ensuring that every ride is comfortable and cozy. Designed specifically for extreme cold conditions, they provide unparalleled warmth while being easy to remove when the weather warms up. With these muffs, you can embrace the thrill of the ride, knowing that comfort is just a slip away. Get ready to conquer the winter trails with confidence! Ergonomics & Control Ultra warm passenger muffs with fleece liner. Protection & Materials Easy to remove in warmer weather. Compatibility Designed for extreme cold conditions. Fits with REV Gen4 new handles