The Leupold 10X42MM Binoculars provide advanced optics technology, including the Twilight Light Management System, for improved low-light performance, increased contrast, and reduced glare. With easy-grip armor and rugged reliability, these binoculars are 100% waterproof and fog proof, and backed by Leupold's Lifetime Guarantee. See the world in a whole new way with the Leupold 10X42MM Binoculars.