International fly fishing federation legal competition nymphing line.
French Nymph, Czech Nymph (otherwise known as long nymphing and short nymphing) , Upstream nymph or even dry fly fishing are all possible with this line.
Olive colour for low flash when casting.
Low friction coating over braided core helps with shooting line and despite the low weight of the line dry fly casting is possible as long as the day is not too windy.