Designed to fit over your glasses.  Or, just wear them on their own.

BluBlocker StarSheild is Z87 Certified (these can be worn as safety glasses)

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.  

Drawstring pouch included. 

Measurements: Lens Width 145mm, Bridge Width 17mm, Temple Length 146mm