All mountain ski boots
Allmountain ski boots are for the piste and have a little extra forward give. They come in various flex ratings. The flex measures the necessary pressure to bend the boot. In general, a lower flex rating 70, 80 or 90, for beginners, a mid flex rating 90, 100 or 110 for intermediate skiers and a flex rating of 110, 120, 130 or 140 for advanced and expert skiers.