The Alpen Wings 8x42 Binoculars are waterproof, lightweight and have a lifetime warranty with registration. The Alpen Wings 8x42 is fully multi-coated and has BAK4 optics. These binoculars do have a rubber armoring allowing protection against minor bumps and come with twist up eye cups. These binoculars have a long eye relief and have an open hinge body design. Buy yours today at Sawyer's Country Edge.