Gunnar Optiks DES-05107Z Steel Series Desmo Semi-Rimless Advanced Outdoor Glasses with Grey Tint Lens, Onyx/Orange Frame Finish Kill the glare with the only patented outdoor 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 30-grams, these lightweight glasses are properly balanced to reduce pressure points and combat eye strain, while the grey lens tint makes these glasses perfect for outdoor use 125-millimeter temples and full rim frame are forged from stainless steel to ensure lightweight durability and increase optical stability Keep your glasses in place with the 17-millimeter bridge and adjustable pads that articulate (3) dimensions for a dynamic fit, while unique semi-rimless design minimizes peripheral distractions Limited Warranty that covers against defects for (1) year after purchase; these Advanced Outdoor glasses feature GUNNAR's i-AMP lens technology designed to improve visual efficiency, endurance and recovery while outdoors