Experience supreme visual clarity with Berkeley, a winning combination of traditional design and modern flair for the digital age. Key features include a durable nylon frame material, lightweight construction for comfort without pressure or fatigue, a wide format lens for panoramic viewing, anti-reflective lens coating on both sides, proprietary patented GUNNAR lens material and tint, and the ability to block harmful blue light and 100% UV light, with prescription options also available. Specifications include a lens width of 54 mm, lens height of 44 mm, nose of 16 mm, frame width of 137 mm, temple length of 142 mm, and weight of 28.47 grams (without packaging). Included with your purchase are a microfiber pouch and a 12-month warranty.