Dial in your fit and hit the trails in the Sportmachine 3 BOA 105 W. Designed for comfort and performance, its integrated BOA Fit System enhances power transmission and precision. Our redesigned Tri Force shell pairs perfectly with the BOA Fit System to maximize energy transmission for unrivaled power, efficiency, and control. To truly make this boot your own, its customizable shell and 3D Cork Fit Primaloft liner allow for an especially personalized fit with all day warmth. No matter the terrain or conditions, confidently ski the entire mountain with the Sportmachine 3 BOA 105 W.