Designed to fit over your glasses. Or, just wear them on their own. BluBlocker StarShield 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. Drawstring pouch included. details { margin: 8px 0; } details summary { font-weight: bold; cursor: pointer; list-style: none; display: flex; align-items: center; } /* Remove default arrow */ details summary::-webkit-details-marker { display: none; } /* Add custom + sign */ details summary::before { content: "+"; margin-right: 8px; font-weight: bold; } /* Switch to – when open */ details[open] summary::before { content: "−"; } Lens Specifications BluBlocker™ high resolution lenses give you a truly unique ownership experience. Amazing Amber lensed clarity — this is what our legendary reputation was built on. They block 100% of UV and blue light, keeping your eyes relaxed—no squinting at the beach, on a hike, or while walking in the city. Measurements Measurements: Lens Width 145mm, Bridge Width 17mm, Temple Length 146mm