Brunton Echo 10X25 Compact Waterproof Binoculars Brunton offers fantastic clarity with minimal weight and size. Brunton Echo Compact 10x25mm Binoculars ECHO 1025 are waterproof and durable, making them a perfect fit for everyday use. Brunton Echo Compact Binoculars feature BaK-4 prism glass, Emerald Fire full multi-coating and twist-up eye relief system. Brunton Echo 10 x 25mm Waterproof Compact Binoculars ECHO-1025 come with a neck strap, and a carrying case. In addition, these Pocket Size Binoculars are backed by Brunton Five-Year Warranty.