1.PC frame 2. Aniti-fog ,Anti-scratch Double PC len 3. Good adjustable system * Adult ... compatible ,antomic* Lens: silver coating, spherical double lens, permanent anti-fog, Impact and Scratch resistant UV protection*Foam : soft 3 layer ... compatible ,antomic 2.silver coating, spherical double lens, permanent anti-fog, Impact and Scratch resistant UV protection.3.Adjustable Strap System4 ...