This new and improved gaiter mask is lightweight, super soft, and breathable while helping protect those who need the protection. Made from light moisture-wicking microfiber polyester, it stretches and fits well on your face without interfering with your breathing. Not only does it adapt to hot or cold conditions, it also cools to 70 degrees when wet to help you cool down. Last, it carries UPT 50+ UV Protection to help protect you against harmful UV rays. 9.5" x 18" | 100% Microfiber Polyester.