The front tapper, or first twenty feet (20) of line is a green color. The back tapper, or next sixteen (16) feet of line is an orange color. The running line is a gray color. This lets you instantly identify the front and back tapers distances or up to 36 feet and approximately the amount of running line that is out, if any. It has a precision core for minimum stretch for better casting and accuracy. It is a very versatile fly line for all-around fishing for most any species of freshwater fish, trout, bass, panfish, pike, musky, stripers, and other species of fish.