Pursue your thrill in the backcountry. From skin track to boot pack to full-speed descents, the Smith Pursuit sunglasses can do it all. They blend goggle-like coverage with the airflow and easy-to-wear feel of sunglasses that perform while you're climbing and descending. Our ChromaPop Glacier Photochromic lens adapts to changing light conditions and delivers color and contrast-boosting performance throughout the full range of the lens. Removable, magnetic side shields add peripheral light coverage, and adjustable temple arms let you customize the fit. A pack-friendly, screwless hinge creates a fail-safe backcountry design, and a low-profile case ensures minimal storage in your pack. Fine tune your kit with additional or replacement lenses for sunny conditions, variable conditions, and cloudy conditions. Expand your view here. Vision. The ChromaPop Glacier Photochromic lens adapts to match the light conditions with less sensitivity to temperature changes plus ChromaPop to provide contrast and color enhancement throughout the tint range. ChromaPop lenses enhance contrast and natural color to make the details pop. The ChromaPop Glacier Photochromic light transmission ranges from category 1 to category 4. Interchangeable lenses. Anti-fog and hydroleophobic coatings for clear optics and easy cleaning. Fit / Integration. Large fit, XL coverage. 5-base cylindrical shield lens curvature. Slight wraparound fit. Megol temples and nose pads provide non-slip grip so glasses stay put. Two-position, adjustable Megol nose pads. Easy-adjust, QuickFit temples for a customized fit. Removable, magnetic TPU side shields for added light protection. Frame. Evolve bio-based frame material is lightweight and durable. AutoLock hinges hold frames open for easy one-hand on and off. Special screwless hinge for added safety and durability.