Tecnica Mach BOA Ski Boot

The BOA system provides a more uniform, micro-adjustable wrap around the forefoot, eliminating pressure points often caused by traditional buckles. It allows you to dial in a precise, secure fit that stays consistent throughout your ski day without needing to constantly readjust.

It is a functional feature. The C.A.S. (Custom Adaptive Shape) shell is designed to be thermo-formed by a professional boot fitter. This allows them to punch, grind, or mold specific areas of the plastic to accommodate your unique foot shape, ensuring a truly anatomical fit.

Yes. The liner is constructed with a blend of lambswool and Celliant, which are specifically chosen for their thermal retention properties. This combination provides excellent insulation to keep your feet warm even in harsh, sub-zero conditions.

It does. The plastic material over the instep is softer than the rest of the shell, which allows the boot to open wider and more easily. It significantly reduces the struggle of sliding your foot in or out, especially when the plastic is cold and stiff.

No. These boots are equipped with GripWalk soles, which have a specific rockered profile. They are only compatible with GripWalk-certified bindings or standard touring bindings; they will not safely release in traditional alpine bindings that are not GripWalk compatible.

The Mechanical Cuff Adapt is designed to be adjusted by a boot fitter or yourself using simple tools to change the volume of the upper cuff. It isn't intended to be adjusted on the fly while skiing, but rather set once to match your calf volume for a personalized fit.