Small size. Huge performance. Because the BX-1 Yosemite® eyepieces adjust closer than any comparable binocular, they've introduced more kids to the outdoors than any other model. But make no mistake: BX-1 Yosemites are serious binoculars. Comes with Pro Gear Accessories - Go Afield Shoulder Strap, binocular case, lens covers, and a lens cloth. FEATURES: Proprietary Nitrogen Fill Process; Twist Up Eyecups; Armor coated and rugged.; Ergonomic Design; Phase Coated; Diopter Focus; Narrow Interpupillary Distance; Porro Prism Design; Fully Multi coated Lens System; 100% Waterproof and Fogproof; BAK 4 Prisms; Central Focus Dial.