Closed Circuit The electricity flows fast in this slimmer silhouette frame Reduced frame height delivers full coverage performance the SHEADOG ergonomically fits a wide range of face shapes Low profile temples provide headset compatibility & long haul ergonomics GUNNAR Advanced Gaming Eyewear is a technical eyewear solution that helps protect enhance & optimize your vision Using the same lens technology as Advanced Computer Eyewear all Advanced Gaming Eyewear styles come in a featherlight frame optimized for visual performance while gaming for long periods of time Improves a gamer&8217;s visual efficiency endurance & recovery GUNNAR offers the only patented computer lens technology solution recommended by doctors to protect & enhance your vision Gunnar's custom & complete solution addresses & alleviates all common issues associated with digital eye strain effects of artificial blue light visual stress & fatigue As the world leader in computer eyewear Gunnar pioneered an advanced lens material that offers distortion free ultra-light ergonomic properties not found in inferior lens material Gunnar's proprietary lens design aids natural focusing to provide sharper clearer vision resulting in less strain on ciliary muscles & frame your face to reduce effects of dry eye In addition custom tints & premium coatings block high-energy artificial blue light UV & glare to protect your vision The result &8211; enhanced clarity focus & performance designed to meet demanding visual needs of our generation WHY GUNNAR COMPUTER EYEWEAR?REDUCES DIGITAL EYE STRAINEye fatigue dry eyes & headaches are symptoms of spending too much time in front of a digital screen GUNNAR lens design has extra focusing power providing you sharper clearer vision This patented technology helps you focus more naturally creating less eye strain IMPROVES COMFORT & FOCUSThe overabundance of bright artificial light can create a strain on your eyes But GUNNAR custom lens tints & filters block harsh blue light & glare so your eyes can finally relax Focus longer Work more efficiently Be comfortable doing it PROTECTS YOUR EYESLook around you You probably work in an environment filled with fluorescent light glare & uncomfortable air currents GUNNAR patented lens technology reduces glare & prevents dry eyes KEY FEATURESAdjustible silicone nose pads provide a customizable fit Fastener free hinge design & high tensile steel construction create incredible durability Gently curved temples provide necessary retention to keep eyewear in place One piece front construction eliminates all welds screws & other potential points of failure Soft silicone wrapped temples grip lightly to ensure proper location of the optics without slippage Flexible temples conform & ergonomically fit a wide range of head face shapes Lightweight construction & proper weight balance guarantee long wearing comfort without pressure points or fatigue SPECIFICATIONSFrame Colour Mercury Lens Colour Amber Lens Width 56mm Temple 130mm Nose 18mm Weight 20 Grams