Offering UPF 50+ protection from harmful UV rays, the ZANHeadgear SportFlex Series 3-in-1 Bandanna features a hook-and-loop closure for easy use and soft touch fabric for comfort.50+ UPF-rated protectionCan be worn three ways: skull cap, face mask, or headbandHook-and-loop closureSoft touch, 4-way stretch fabric.Machine washableOne size fits most. WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov This warning is being provided to comply with the State of California's Proposition 65.