I am now on my second pair or T-race's (the first were the white and red model). This is an amazing boot, I wore my last pair all day everyday for the last 2 winters. Somedays I wore them for 13 or 14 hours a day without ever having to take them off. I will say that the one down side is that it does seem a little bit softer then the previous model, I am not sure if this is due to the walk mode of the new shell material. I have been meaning to switch out the power blocks and see if that makes a difference. For as long as I tele ski I will always use Scarpa and as long as they are making the T-race I will be using them. Great product!