The Oakley Volt Drop features a modern design with smooth lines for a look that can be worn on most any occasion. Oakleys proprietary O Matter frame material make this model both lightweight and incredibly durable which is exactly what you want in an everyday eyeglass. No-slip Unobtainium grip on the temple arms increase comfort and frame retention, keeping the frame perfectly aligned on your face. The Oakley Volt Drop comes in a variety of colors and holds a range of prescriptions - including progressives.