Uvex SX0303 ExtremePro Safety Eyewear Silver Mirror Supra-Dura Hardcoat Lens, Black/Gray Frame MoistureWick Brow Accessory Absorbs And Wicks Away Perspiration To Keep Lenses Clear In Hot Environments. MoistureWick Is Both Removable And Replaceable, Extending The Life Of The Eyewear Featuring Our New Supra-Dura Advanced Anti-Scratch Lens Coating That Resists Scratching 5 Times Longer Than Other Coatings On The Market GripClick Frame Width Adjustment Ensures A Comfortable Fit For All Face Sizes FlexFit Bendable Temples And Nosepiece For A More Comfortable, Customized Fit Ratcheting Temples Make It Easy To Adjust The Lens Angle For A Close Fit