CSA Z94.3 and ANSI-Z87.1 approved, Includes ratchet temples for better angle adjustment, molded nose bridge to fit the vast majority of users, U-Fit® spatula temples, Adjustable Over-The-Glass style offers a perfect fit over any kind of personal eyewear and helps keep prescription eyewear users in compliance yet you can still wear them by themselves as a regular safety glass, Rimless frame design ensures an unobstructed view while the adjustable length temples are rubber co-molded, offering the user a secure custom fit, Provides 99.9% UVA and UVB protection,