From the Spyderco website: ... Zome (pronounced "zoh-may") is a class of Japanese handicrafts that focuses on dyeing textiles. This ancient art form includes many different methods of creating patterns on cloth using dyes derived from plants, flowers, fruit, and other natural sources and is closely related to many aspects of Japanese history and culture.
Inspired by this rich artistic heritage, Spyderco's Zome knives are unique variations of our lightweight models, which feature injection-molded fiberglass-reinforced-nylon (FRN) handles. The handles are molded in a light base color and then individually hand dyed by expert Japanese artisans. Using a technique reminiscent of traditional hiki-zome (brush dyeing), various colors of dye are hand brushed onto the handle to create distinctive, one-of-a-kind patterns. Like Japan's classical dyeing methods, the special dyes used completely permeate the FRN to permanently color it.
Spyderco Knives: Spyderco Endura 4 Lightweight Knife, Desert Camo Zome FRN, SP-C10ZFPDCMO