CORTLAND 444 CLASSIC SYLK "DOUBLE-TAPER" FLOATING FLY LINES - The first fully synthetic lines to recreate the original look and unique performance of the finest natural silk lines from the past 100 yrs. Butter-soft with a smaller overall diameter than today's lines. Match perfectly with bamboo and fiberglass rods. Color is Mustard. DT2F thru DT6F.