Hey Kamil! Oh no, that doesn't sound good. The Alien RS sure is a stiff boot. I'd say it's about on-par with the TLT7, but the TLT7 is a bit more progressive whereas the Alien RS kind of hits a wall with the forward flex. The last width of the Alien RS is a pretty narrow 99mm and Dynafit doesn't publish any of the last info but the TLT7 is high, wide, and on the opposite end of the fit spectrum as the Alien RS. Visit our Boot Fitter Program if you'd like to proceed with a fitting.