Skullerz Loki Safety Glasses/Sunglasses are full-frame named after Loki, the Norse Deity of Mischief. They are designed to be worn as regular sunglasses or as safety goggles by removing the temples and attaching the included strap and adding the removable foam gasket for a dust-beating seal. Durable frames bend and flex without breaking for long lasting toughness you can trust! These protective work safety glasses feature tough scratch-resistant lenses filter 99.9 percent of harmful UVA, UVB and UVC rays to keep your eyes safe in the sun.