SHARPTECK Sport Practice Freely Fencing Mask Face Protector for Training or Games steel Resistance of steel spring steel net mask, steel net is made of carbon steel. Eye part is less than 0.2 mm of metal mesh, protection against more than 170 FPS impact! Human body engineering design, excellent wear comfortable and breathable. Can be adjusted with a personal face. Can be used with helmets, headphones! Extremely suitable for the fencing sport training and other sport game