ESS 740-0388: Crossbow Suppressor 2X+ Clear, Copper & Gray Delux Kit: Includes two frames and three lenses: a Hi-Def Copper lens with an ultra-thin Crossbow Suppressor frame (for use with ear cups), a Clear lens with a standard Crossbow Tri-Tech Fit frames (for normal use without ear cups), and a spare Smoke Gray lens. Both frame options provide a universal fit.