The helmet shell is made of high-impact PC/ABS alloy resin. Good performance is maintained under a variety of high and low temperature conditions. The surface coating of the helmet is bright, smooth, not easily stained and peeled off. Construction: Helmet shell, transparent PC mask seal waterproof strip, fixed metal frame, side hearing holes and vents, leather neck protection, internal foam pad, sweat absorbing fabric, quick release buckle, chin rest. The goggle mask is made of (100% PC) resin material. The lens is clear and colorless, and the toughness is not easy to break, so as to ensure that the user's vision is not affected.

1. Size: Applicable head size is 580mm-600mm. The neck and helmet are detachable and the neck width is 125mm ±20mm.

2. Mask performance: The light transmittance is 85% or more, and the maximum optical distortion is less than or equal to 6'. The mask of the riot helmet can withstand the impact of 4.9J kinetic energy and the impact of 1g lead bomb at 150m/s ± 10m/s.

3. Helmet absorbs crash performance: The riot helmet should be able to withstand the impact of 49J energy, and the force transmitted to the head mold during impact is less than 4900N.

4. Helmet penetration resistance: The riot helmet should be able to withstand 88.2J energy puncture, and the drop hammer does not penetrate the helmet and the head mold.