Sellstrom® XPS502 Series Safety Glasses Feature a flexible, soft temples that are permanently attached to the frame using a heavy-duty ratcheting (up or down) temple adjustment hinge. Allows the user to adjust temples for maximum comfort and protection. Includes a cloth strap that conveniently attaches to the temples, detachable strap can be easily removed/re-attached as desired. Meets ANSI Z87.1 + 2015 Standard. Ballistic Rated - meets U.S. Military Standard mil-prf-31013 requirement; lens provides 99% protection against harmful UV Rays.