Glacier travel. High elevation summits. Spring snowfields. Eye protection in the alpine is serious business. Whether you're skiing or mountaineering, the Smith Embark sunglasses hold up to harsh, ever-changing conditions while providing a contrast-boosting view of every crevasse, wind drift and terrain feature. Vision Available in your choice of ChromaPop™ Glacier Photochromic Copper Blue Mirror or ChromaPop™ Polarized lenses ChromaPop™ Glacier Photochromic lens tint adapts to match the light conditions with less sensitivity to temperature changes and full ChromaPop™ contrast and color enhancement throughout the tint range Anti-fog and hydroleophobic coatings on the Glacier Photochromic lenses for clear optics and easy cleaning ChromaPop™ Polarized lenses cut glare and enhance color and contrast Frame Evolve™ bio-based frame material is lightweight and durable Fit Easy-adjust QuickFit temples for a customized fit AutoLock hinges hold frames open for easy one-hand on and off 6-base lens curvature offers a modest wraparound fit Megol temple and nose pads provide non-slip grip so glasses stay put Included Removable TPU side shields block peripheral light Snow goggle inspired retainer strap Microfiber bag and hard case