Spirit River UV2 Grizzly Soft Hackle Fly Tying Material

<Spirit River® continues to lead the way in UV2 technology. They've used a double dye process to give all their unique UV2 materials and flies the added UVF / UVR ultraviolet wave lengths. UV...

<Spirit River® continues to lead the way in UV2 technology. They've used a double dye process to give all their unique UV2 materials and flies the added UVF / UVR ultraviolet wave lengths. UV...

UV Florescence is common on everything from street signs to bass lures. UV Reflectance is a spectrum of wave lengths humans can not perceive yet is extremely common in the animal and insect world...

<Spirit River® continues to lead the way in UV2 technology. They've used a double dye process to give all their unique UV2 materials and flies the added UVF / UVR ultraviolet wave lengths. We all...

We all know UV Florescence (UVF) which is so common on everything from street signs to bass lures. UV Reflectence (UVR) is a spectrum of wave lengths humans can not perceive yet but is extremely...