The Boll Coverall Ventilated Safety Goggles have clear lenses that are approved for permanent wear and certified with perfect optical quality, 99.9% UVA/UVB protection. With a Platinum coating that has been applied on both surfaces making them highly scratch-resistant (1.4 cd/m), high resistance to the most aggressive chemicals. It also slows the appearance of fogging. Conforms to EN 166/170 1BT 3,4,5 K,N. The Boll Coverall Safety Goggles are cost effective and functional. They protect against impact and chemicals as well as large and fine dust particles. Fitted with an optical class 1 polycarbonate lens that has an anti-scratch and anti-fog coating. The goggles are secured via the adjustable nylon branded strap. They also fit over prescription spectacles. BOLCOVARSI: Sealed Goggles (EN 166/170 1BT 3,4). BOLCOVERSI: Ventilated Goggles (EN 166/170 1BT 3,4,5 K,N). Bolle Safety A12 B1055