Get Every Performance Advantage Possible: From the superlight frame down to the nose piece, these frames are flatter than most performance eyewear for a secure feel when you’re going your fastest Geared for Speed: With durable TR90 frame material & TPU construction, adjustable megol nose pads & non-slip temples, the ShiftMAG will stay in place whatever your next challenge Includes Interchangeable Second Lens: Easily switch lenses to suit any light environment; take on exposed trails or dark, wooded jumps with the installed bright-light ChromaPop lens or switch to the included secondary clear lens for low-light situations Make the Details Pop: Features ChromaPop lens technology that helps enhance definition, contrast and natural color so you never miss a detail; the smudge- and moisture-resistant coatings mean easy cleaning & clear optics Born on the Mountain, Built from Innovation: Smith is a performance eyewear and helmet brand for those inspired to pursue new and deeper connections with the outdoors; we’ve been outfitting consumers with the confidence to experience more since 1965