Spy Optic - Dirty Mo. Color Black / Happy Grey Green. Low Stock. On sale for $63.76. MSRP $140.00.. 3.0 out of 5 starsAdd to favorites. 0 people have favorited this7 left in stock+3Brand NameSpy OpticProduct NameDirty MoColorBlack / Happy Grey GreenPrice$63.76MSRP: $140.00Rating3Rated 3 stars out of 5(3)