Material: TPE The tactical anti-riot goggles enable the glasses to be protected by Z in special circumstances! Anti-fog lenses for improved eye comfort and clear vision. The lenses are made of thick polycarbonate explosion-proof material that resists the threat of protruding and protects the eyes. The soft and comfortable smash-proof edge design makes you feel uncomfortable when wearing goggles. It fits perfectly with the edge of the helmet and is used with styling essentials. Design Features: 1. Transparent, Yellow, Black explosion-proof lens (3MM thickness) 2. Glasses are compatible with all helmets with APS rails with OPS-CORE specifications 3. Apply with superior and environmental friendly material. 4. Anti-fog, Anti-scratch, Comfortable and durable wearing 5. Buffer frame anti-collision eye protection 6. Black foam for scratch resistant and buffer for comfortable and safe wearing. Two methods to wear tactical goggles 1. Wear tactical goggle alone. ( Equiped with elastic headbrand. ) 2. Combine tactical goggle with helmet. ( Equiped with 2pcs fixing velcro buckle and 2pcs rail fixing part. ) Mounting instruction for helmet 1.Insert the rail fixing part into the guide rail of helmet 2.Insert the fixing buckle into the rail fixing part and stick the Velcro well 3.Put on the goggle and adjust it 4.Finished Package include: 1*goggle Easy to put tactical goggles upper the helmet Easy to put tactical goggles upper the helmet Two methods to wear tactical goggles 1. Wear tactical goggle alone. ( Equiped with elastic headbrand. )2. Combine tactical goggle with helmet. ( Equiped with 2pcs fixing velcro buckle and 2pcs rail fixing part. ) Apply with superior and environmental friendly material. Anti-fog, Anti-scratch, Comfortable and durable wearing Black foam for scratch resistant and buffer for comfortable and safe wearing. Mounting instruction for helmet 1.Insert the rail fixing part into the guide rail of helmet2.Insert the fixing buckle into the rail fixing part and stick the Velcro well3.Put on the goggle and adjust it4.Finished Package: 1pcs tactical goggle, 1pcs adjustable head strap and 2pcs rail fixing parts