The Attaché radiates sophistication, bringing a modern edge to a classic round style for the discerning digital user with a lightweight nylon frame and spring hinges that fit fluidly on the face, enhancing the viewing experience; key features include long-wearing comfort without pressure points, flexible hinges, proprietary patented GUNNAR lens material that blocks harmful blue light and 100% UV light, and compatibility with Asian fit; specs include a lens width of 50 mm, lens height of 41 mm, nose size of 19 mm, frame width of 134 mm, temple length of 140 mm, and a weight of 23 grams without packaging; included with your purchase is a microfiber pouch and a 12-month warranty.