BluBlocker™ high resolution lenses give you a truly unique ownership experience.  They block 100% of UV light and 100% of blue light.  As a result, you will not squint on a sunny day at the beach, on a hike, or on the lake.  The crystal clear BluBlocker™ vision is unique to BluBlocker.  This is what the legendary BluBlocker reputation was built on.   The ultra-lightweight nylon frames are comfortable and don't slide or move on your face.  These are great for being active, playing sports, driving (sunny and cloudy days), and lounging poolside.  Measurements: Lens Width 67mm, Bridge Width 16mm, Temple Length 152mm Drawstring pouch included.  Item# 2701K Also available in White (2699K) , Demi-Tortoise (2725K) and Polarized.