PROMASTER MODERN CLASSIC BINOCULARS add an enjoyable element to vacations, sporting events, trips to the local park, zoo, and more. Their classic porro-prism design is time-tested and very durable while modern improvements make the binocular smaller, lighter, and sharper. The lenses are multi-coated for bright, brilliant light transmission. Nitrogen-filled and gasket-sealed, these binoculars are both weatherproof and fog proof. The smooth rubber coating is comfortable to hold in warm, cold, wet . . . .