Amnesia makes a great transition between stiff Maxima and more supple sighter materials in euro-nymphing leaders. I use 12 lb Amnesia as a substitute
Amnesia Monofilament
Sunset Amnesia Shooting Line Monofilament — Big Y Fly Co
Beyond Euro Nymphing - Troutbitten
Euro Nymphing Fly Line vs The Mono Rig - Troutbitten
Monofilament
Great for a variety of leader uses! We use this stuff on all of our nymph and high-stick steelhead leaders around here. Also used by some fly tyers to
Amnesia
The Red Amnesia Problem - Troutbitten
Thin and Micro-Thin Leaders for Euro Nymphing and the Mono Rig - Troutbitten
Fly fishing the Mono Rig Q & A - Lines, Rigging and the Skeptics - Troutbitten
The Red Amnesia Problem - Troutbitten
Kraft Tool Co- 6 lb. Red Amnesia Memory Free Fishing Line 100 Meter Spools (Box of 10 Spools)