Designed to perform this Port Authority gaiter incorporates Hei Q Viroblock treatment into the fabric. Hei Q is a Swiss-based provider of antiviral and antibacterial solutions. Going beyond a standard gaiter this performance gaiter has integrated ear loops to help it stay put when worn as a face covering. 95/5 poly/spandex U P F rating of 50 Two-ply front panel for added protection Integrated ear loops to help gaiter stay over the face Dimensions: 8.5 x 12.5 Machine washable Non-returnable