As far as flex goes on the danollie I emailed Icelantic and got this back "So I just spoke with our athlete team manager/sponsored pro, Scotty Vermerris. Here is what he had to say about the Da'Nollies:
"Many of our athletes have no problem with real big jumps on the Da'Nollie and also the Nomad RKR SKNY. Depends a little on how you land. Back seat or way forward landing switch you may get flex and feel rocker but it shouldnt be a problem. Our skis aren't built super stiff through the tail like some park skis specifically intended for pipe skiing and big air but the truth is that its totally fine and its truly a great all around, super versatile ski that handles landings and charging around the hill"