Double-layer structure design: the front end is made of relatively soft TPE material, strong impact resistance join the steel wire mask progress to strengthen the mask's protective properties Easy breathing high breathability: the mask has a large breathing hole, when wearing the mask, breathing smoothly Ear protection wire cover: the mask is configured on both sides of the wire cover, tactical game process in the case of hearing without affecting the protection of the ear Adjustable elastic straps: allow users to adjust the degree of tightness, wear the mask more comfortable With other tactical equipment: with a variety of tactical equipment, the effect is better, to cope with a variety of tactical needs