Umpqua UPG Foam Insert Boxes (multiple styles) Media if you're purchasing the Amplitude

if you're purchasing the Amplitude trout you are purchasing the pinnacle of fly line evolution and

while the back is ideal to secure large hooks

Slick Whip Finisher

The Amplitude series of lines hold every single relevant feature possible for a contemporary fly line

For further information on the amplitude

Umpqua UPG Foam Insert Boxes (multiple styles) Media if you're purchasing the AmplitudeFor 2023 Umpqua redesigned their inserts across the entire lineup of UPG boxes. The new notched inserts make it far easier to see exactly where the slots are than on past models, and the boxes are very lightweight and transportable. This page contains the new foam insert models.