These Uvex Skyper Safety Glasses are truly made to protect! The wrap-around frame offers exceptional protection, comfort, and fit. Are you looking to find a custom fit frame? The Uvex Skyper comes pretty close to a custom fit with the ratcheting lens inclination system, molded-in nosebridge and adjustable Duoflex cushioned temples! These glasses include impact-resistant, polycarbonate lens that blocks 99.9% of harmful UVA and UVB radiation.