ACU digital frame. With smoke lens - UV400 protection. With adjustable elastic strap. Lightweight thermoplastic-polyurethane frame. Comfortable foam-padded backing. Smoke-grey shatterproof polycarbonate lens with anti-scratch coating. Foam upper and lower vents to prevent fogging. UV400 rating protects from harmful UVA & UVB rays. 1.5" (inch) wide fully adjustable strap for ultimate fit. DeserTec goggles.