With an attractive open bridge design, the Bushnell Xtera 10x42mm Waterproof Binocular is an ideal choice for the outdoors. The IPX7 waterproof construction is tested by submerging at 1 meter for 30 minutes without any penetration. The incorporation of the IPX7 rating means these binoculars are ready to take on the worst conditions and the roughest elements. An all-glass, fully multi-coated optical system combined with BAK-7 Prisms enhances contrast, resolution, and light transmission. 20 Year Lifetime Ironclad Warranty XTERA Binoculars are backed by the Bushnell Lifetime Ironclad Warranty and are engineered and manufactured to withstand the rigors of the outdoors for the lifetime of the product. Fully transferable and no receipt is required.