Typically, a goggle's mirror coating is the outermost layer. Optic Nerve sandwiches it between the inner and outer lenses, where it can't be scratched by branches or ski poles. A low-light lens is included as well. [$120; opticnerve.com]
The 2014 Adventure Issue
From Iceland's Highway 1 to Utah's Canyonlands, an epic itinerary for modern explorers.
Plus: Building a Bigger Action Hero
ON NEWSSTANDS NOW
The Interpreters We Left Behind
The Rise of Cyclocross
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