Professional's Choice Fly Mask is made of UV-protective nylon mesh to provide maximum protection against flies and other biting insects. Designed with a smooth and breathable mesh around the ears and poll to ensure comfort. Polyester rip-stop technology provide extreme durability along with being lightweight and stain resistant. Strategically placed darts keep mask off eyes with no obstruction of vision. Features: UV-protection Stain resistant and breathable Polyester rip-stop technology No obstruction of vision Hook and loop closure