Introducing the Havoc Helios Photochromatic Goggle. Our photochromic lenses feature a dynamic Visible Light Transmission (VLT) that changes automatically. They shift from a high VLT (clear or light tint, around 80%-87%) in low light to a low VLT (dark tint, around 12%-17%) under bright UV/sunlight. Havoc Helios is a premium, fully customizable goggle. Giving you complete freedom and a unique experience like never seen before. Designed with a quick lens change system, leading in class 17mm compression foam, extra comfort, and a leading in class field of view you will be glad you choose Helios. Inverse StrapPhotochromatic LensBlack Frame Frame FEATURES An innovative premium offroad goggle Magnetic side lock quick change lens system High impact Ansi Z87/EN1938 rated lens 17mm high density triple layer compression foam No pressure pinched/vented nose design 1 click removable strap technology for complete customization. Wide field of vision due to Helios frame design Anti-Fog and Anti-Scratch lens w/ metal tear off posts. Anti UV (UV400) Removable nose piece and anti dust foam seal Adjustable 3D embroidered anti-slip strap Goggle Bag included Helios (hils ) noun. Greek mythology. the God of the Sun