This is sculpture mixed with science, and there’s a reason behind every curve. The side-to-side contour of a lens can make or break peripheral vision. SCALPEL has a full 8.75 base curvature to open your range of view. That much of a contour leads to optical distortion in ordinary sunglasses but Scalpel is engineered with XYZ Optics® to maintain critical clarity along the entire lens curve. You’ll have added protection against sun, wind and side impact. As a matter of fact, this design meets ANSI Z87.1 basic impact standards, and the pure Plutonite® lenses filter out 100% of all UV. The optics also meet every ANSI Z87.1 standard for visual performance. So if you hit the links or just crash a beach volleyball game, Scalpel will give you all the razor-sharp clarity you need. The smooth sculptural contours are made of durable, lightweight O Matter® frame material, and we gave the stem sleeves special attention. Note how they wrap the ends and continue along the underside. They’re made of Unobtainium®, a material Gender: Men