Gunnar Optiks TTN-00105Z Titan Full Rim Advanced Outdoor Glasses with Grey Lens Tint and Onyx Frame Finish Kill the glare with the only patented computer eyewear recommended by doctors to protect and enhance your vision through the use of their specially designed lenses featuring proprietary tints and coatings that block high-energy blue light, UV and glare Weighing in at only 25-grams, these lightweight glasses are properly balanced to reduce pressure points and combat eye strain, while the grey tint lenses make these glasses perfect for outdoor use 125-millimeter temples and full rim frame are forged from stainless steel to ensure lightweight durability, increase optical stability and enhance visual detail throughout the day Keep your glasses in place with the 15-millimeter bridge and adjustable silicone nose pads, while flexible temples conform and ergonomically fit a wide range of head and face shapes Limited Warranty that covers against defects for (1) year after purchase; these Advanced Outdoor glasses with have wide coverage lenses which perfectly under headsets or aviation helmets