Affordable performance is the hallmark of Simmons 8x21mm Pro Sport Binoculars. Simmons 8x21 ProSports Binoculars are designed for the sports enthusiast who is looking for a quality, entry-level binocular. Simmons 8x21 Binoculars feature high-quality, fully coated optics and BK7 prisms to ensure bright, clear images. ProSport 8 x 21 Binoculars by Simmons also feature rubber covered surfaces to help protect against the bumps and drops of daily use.