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Quality construction is evident in the Catamount, from the cam-action hinges to its lens technology. These shades boast Native’s polarized N3 lenses (which are interchangeable)—designed to block up to four times more infrared light than regular polarized lenses. The N3 lenses also reduce blue light and selectively filter UV for high contrast and crisp definition. Note: Athletes who prefer a big-coverage lens for unobstructed sightlines may want to look elsewhere.