Description Mantis™ safety glasses offers A unique design that incorporates rotating temples for compact storage. It also allows the user to adjust the lens angle while wearing the product. They are dielectric, too! Soft, secure nose pads and non-slip rubber head grips for superb comfort and a secure fit. Meets ANSI impact standards Treated with exclusive Duramass® scratch-resistant coating. Lightweight polycarbonate lens filters 99.9% of harmful U.V. rays. Breakaway cord included Indoor/Outdoor Lenses