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. Lightweight garment keeps you extremely warm while preventing excess weight and bulkiness on your body. 4-way stretch fabrication allows for easy pull-on and pull-off. Fabric Content: 91% Polyester, 9% Spandex Knit.