Go all-in on comfort without going loose and sloppy with the Tecnica Mach BOA HV 90 Ski Boots, and see what zero foot pain can mean for your skiing. A spacious 103mm last combines with the new BOA® Fit System lower closure to produce a boot that's not only wide enough but can be incrementally adjusted for perfect pressure distribution over the top of your foot. A 90 flex is forgiving enough for most new skiers through intermediate level.

Product Details
Fit
Last: 103 mm – A wide last designed for out-of-the-box all-day comfort, especially for those with wider feet.

C.A.S. Shell – Custom Adaptive Shape shells are anatomically formed around the heel and problem areas at the factory. Common punch zones are plainly marked with a dot grid pattern on the shell, and the new polyether and Triax 3.0 shell materials offer improved stability when heated.

Flex
Flex: 95 – A stiff flex for advanced to expert skiers

Liner
Ecodesign Sport C.A.S. Liner – Anatomically shaped from the factory with recycled content throughout the liner, PVC-free

Celliant® Insulation – Celliant is powered by 13 thermoreactive minerals that convert body heat into infrared energy. Infrared penetrates deep into the tissue to increase circulation, oxygen and blood flow. This results in improved performance, thermal regulation and faster recovery.

Shell Materials & Design
Shell – Polyurethane

Cuff – Polyolefine

Double Quick Instep – The instep material is softer making stepping in and out easy and avoiding unnecessary pain, especially at low temperatures.

Buckles
2 Aluminum Micro-Adjustable Lift Lock Buckles

BOA® Fit System Lower Closure – A burly new BOA® knob and cable system replaces the bottom two buckles for more comfort over the top of the foot, precise micro-adjustment of tension, and better