Crossbow Suppressor 2X Clear & Gray Kit: Includes two fully-assembled eyeshields: a clear lens with an ultra-thin Crossbow Suppressor frame (for use with ear cups) and a smoke gray lens with a standard Crossbow Tri-Tech Fit frame (for normal use without ear cups). Both frame options provide a universal fit. Features Z-Bend geometry, ultra-thin temples, 2.4mm lenses, distortion-free ESSOPTICS, and ClearZone FlowCoat technology.