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. - Fabric outer surface is engineered to disperse moisture for fast evaporation. - Hydrophilic next-to-skin surface absorbs sweat and transfers it to the outside of your garment. - Lightweight garment keeps you extremely warm while preventing excess weight and bulkiness on your body. - Polartec Power Grid generates targeted touchpoints to manage moisture while grid design creates improved breathability.