Inspired by Nordic technology hubs and part of our Kista Collection, the Lahti chic design features a glossy contemporary round premium polymer frame available in three unique colorways, with a flattened upper frame and metal details at the temples, adjustable nose pads for comfort, and advanced GUNNAR lens technology that includes Amber and Clear tints for digital eye strain and blue light blocking; key features include a contemporary round style frame, flexible spring hinges, GUNNAR patented lens technology, G-Shield® Plus lens coating that is anti-reflective, smudge-resistant, and oleophobic, and the ability to block harmful blue light and 100% UV; specs include lens width of 51 mm, lens height of 42 mm, nose of 20 mm, frame width of 135 mm, temple length of 140 mm, and a weight of 33.4 grams (without packaging); included with purchase are a Tri-Fold Glasses Case, Microfiber Pouch, Microfiber Cleaning Cloth, and a 12-month Warranty.