A neck gaiter is one of the "must have" pieces of any cool to cold weather ride, and this Prime-Series Thermal Neck Gaiter is no exception. With the use of Polartec Power Grid fabric, it keeps you plenty warm, without any added bulk. - 4-way stretch fabrication allows for easy pull-on and pull-off. - Fabric Content: 91% Polyester, 9% Spandex Knit.