... silver coating, spherical double lens, permanent anti-fog, Impact and Scratch resistant UV protection*Foam : soft 3 layer* Strap :adjustable DEX ... ,antomic 2.silver coating, spherical double lens, permanent anti-fog, Impact and Scratch resistant UV protection.3.Adjustable Strap ... System4.Square Design5.Air hole6.Comfortable three layer Foam with velvet,Protective well, suitable for long term wearing ...