UV2 Caddis Nymph Dubbing have a mix of primary colors that have been enhanced with UV Florescence and UV Reflectence dyes. They are then blend in with other fibers to achieve the over all base color while still giving it all the multi color property's of UV2. Each dubbing will kick out a host of color spectrums.



Spirit River continues to lead the way in UV2 technology. They use a double dye process to give all their unique UV2 materials the added UVF/UVR ultraviolet wave lengths.

UVF is the fluorescent wavelength. Fish can see this spectrum in brighter colors than we see. This allows fish to see flies at a much greater distance, even in varying light and water conditions.

UVR or Ultra Violet Reflectance, is a UV light that cannot be readily seen with the human eye in some wavelengths, but it can be seen by most insects and animals.

Adams Gray	Black	Dark Brown
Dark Hares Ear	Dark Olive	Golden Stone
Hares Ear	Olive	Tan

Color	Code
Adams Grey	CN2061
Black	CN2001
Brown Black	CN2170
Dark Hare's Ear	CN2016
Dark Olive	CN2031
Dark Stone	CN2013
Dark Brown	CN2003
Eastern March Brown	CN2111
Goldne Brown	CN2009
Golden Stone	CN2074
Hares Ear	CN2015
Olive	CN2030
Pale Olive Dark	CN2036
Rust	CN2006
Sulfur	CN2078
Tan	CN2018
Western March Brown	CN2008