1.Excellent highquality face/head protection structure: made of polymer materials, lightweight, durable and wearresistant. Full face air rifle protective mask with earmuffs, adjustable head closure strap. 2.A large number of builtin sponge cushions, a secure and comfortable fit. The soft and breathable nylon mesh cloth on both sides of the cheeks and the 2/3 sponge cushion at the head position protect the bridge of the nose and the head provides comfort and good protection. 3.Multifunctional NVG Mount / Accessory Rail Connector Design: The NVG mount is compatible with most NVG mounts. 4.The most suitable size: adjustable belt support with thick shoulder strap with skull cap can adapt to different head shapes. Natural fit, comfortable and breathable, builtin large sponge buffer layer, better resistance, more comfortable to use.