Introducing Hatchet, the evolution of Zeal Optics’ patent-pending Rail Lock System, and our first ever cylindrical goggle.With Zeal Optics’ all new, optically tapered cylindrical lens technology, you see the mountain with the amazing color, clarity, and contrast you expect from our spherical snow goggles, in a sleek new frame that allows you to guide, slide and lock your lens in place vertically.Plus, with the new, vertical Rail Lock System, changing your lenses on the go is a breeze, and it allows you to vent your lenses while hiking, or on the deepest, wettest days for fog-free skiing and sn..