ORVIS Pro - TROUT Smooth Fly Line 100gr Willow - Olive Peach WF-3 is an excellent choice for those who love Fly Fishing. The Fly Line is in Olive - Peach color that gives perfect camouflage underwater. The Model is WF-3 that makes it perfect for trout coldwater. The Fishing Line is made in the United States and is perfect for Fly Fishing.