FOR LIGHTWEIGHT PROTECTION AGAINST THE ELEMENTS - THE BUFF ORIGINAL NATIONAL GEOGRAPHIC BUFF. Find lightweight coverage on sunny days with the Buff Original National Geographic Buff. It is designed to keep both the sun and cold off your face and neck. This versatile look can be work 12 different ways, from balaclava, to hair tie. FEATURESNeck Gaiter for cold-weather activitiesSynthetic fabric manages moisture from sweatIncorporated sun protection blocks harmful UV raysTECH SPECS95% polyester, 3% elastane