Dalbello avanti ax 120 mens ski boots the mens dalbello avanti ax 120 ski boots are a classic overlap performance ski boots that incorporates many structural and performance features with a wider 102mm fit last along with the contour 4 shell geometry and drive control technology that provides a close rear foot fit for performance and control these dalbello ski boots also have a centre balance rocker stance that allows skiers to make full use of their equipment with centring their body mass