McFlyFoam is a buoyant, easy-to-use material commonly used for egg patterns and strike indicators. The fibers separate cleanly, allowing tiers to form consistent shapes quickly and efficiently. Its excellent flotation properties help keep flies visible and properly positioned in the water column. Available in a wide range of colors, it can be matched to various fishing conditions and preferences. McFlyFoam remains one of the most reliable and widely used materials for egg imitations.