The Chill-Its 6489 2-Layer Cooling Neck Gaiter meets CDC and WHO recommendations for multiple layers of protection while also shielding the face and neck from sun, dust and flying debris. When worn as a face covering, a nose clip along the top makes for a comfortable and secure fit while also reducing eyewear fogging. Evaporative technology can be easily activated with water for immediate cooling relief. This neck gaiter is rated to UPF 50+ for protection against the sun’s harmful UV