Enjoy sharp contrast and vivid detail while choosing from a wide range of configurations. All ProSport binoculars bring the action up-close and feature high-quality, multi-coated optics and BaK-4 prisms. Nitrogen purged for full waterproof and fogproof performance. Plus, ProSport Binoculars are encased in tough and durable rubber armor, for a sure grip and added protection in the worst weather conditions.