Natuworld Outdoor Camouflage Anti-mosquito Bees Fly Hat with Veil Mosquito Head Net Mesh Beekeeping Face Mask Face Protection Hat is a cotton and polyester blend with a mesh veil. Helps protect against bees, mosquitos, flies and more. Elasticated neck making it easy to put on and off. Best Fit From 21 1/2"-23" Head Circumference (Hat Size 6 7/8 - 7 1/4). Great for Beekeeping, Fishing, Camping, Hiking and Malaria protection