These Gerber waterproof binoculars are perfect for any activity where moisture is a problem. Yachting, Skiing or just singing in the rain, you'll be ready for anything. The 7x50 size and power are ideal for sporting events or just general viewing. These binoculars will float. It is very funny to see because you would expect a binocular to sink straight to the bottom of the ocean. 7x50 Waterproof Specs: High quality Japanese optics, individual Focus Porro Prism, 7.1 degree field of view, Approx 8m minimum focus and they weigh 797gms