Description Rivet Readers provide full coverage protection with a window of magnification so you can clearly see what you need. Its frame is extremely light weight with nose and earpieces that are adjustable for a custom fit. Rivet’s polycarbonate lenses are shatterproof and provide UV protection and are equipped with smaller lens vents that limit fogging when working up a sweat. Features: Adjustable ear pieces Adjustable nose pieces Case included Glare Guard reduces eye strain Light and durable Grilamid TR-90 frame Hydrophilic rubber Optically de-centered to eliminate distortion and magnification Shatterproof polycarbonate lenses UVA/UVB protection Vented lenses prevent fogging Lifetime warranty