• DESIGN - Sutro Cylindrical lens shape• FRAME MATERIAL - Lightweight titanium frame balances weight, function, and premium aesthetics• ALL DAY COMFORT - With 3 point fit• NO SLIP GRIP - Unobtainium® earsocks for a no-slip grip• SEE MORE DETAILS - Available with Prizm™ lenses that are designed to enhance color, contrast and detail to make the most of any activity