2021 Dalbello Panterra 90 GW men's ski boots2021 Dalbello Panterra 90 GW snow ski boots. Panterra 90 GW features a NEW SHELL design called Power Cage. The fit remains the same, but the overall shape of the outside is slimmer, and the weight is lighter yet again. By concentrating more material in some places, the power transmission to the ski's edge has been increased. But, less material in other places removes unnecessary weight. And, the walk mode as also been improved, now offering a 50