High-definition eyepiece, clear for vision, resistance Lightweight rainproof silk fabric, comfortable to wear with for wear resistance The inside of the hat is designed with an elastic liner to increase for protection It is suitable for operations, casting cleaning, polishing, grinding and rust removal, painting and other operations The breathing for is detachable for easy cleaning and smooth breathing There are hidden air holes in the ears to increase the ventilation performance of its for head, Manufacturer: Yhplxyuus