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Tecnica Mach Sport HV 100 Ski Boots · 2023

Tecnica Mach Sport HV 100 Ski Boots · 2023

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  • Returnable
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Product details
Official manufacturer description

A ski boot that fits well is the key to enjoying a great day on the mountain with your family and friends. The Mach Sport HV 100, designed for intermediate skiers with high-volume feet or larger overall frames, is all about warmth, comfort and convenience, The NFS Liner is warm and supportive, providing a comfortable out-of-the-box fit. But if needed, you can add personal customization with Tecnica’s C.A.S. system to solve any additional fit problems. Double Quick-Instep and Lift-Lock buckles allow for easy entry and exit, while the 100 flex strikes the perfect balance between comfort and performance, allowing you to happily ski until the lifts stop spinning.

Age Group
Boot sole type
Flex index
Forefoot width (mm)
Liner description
Performance N.F.S., Celliant®
Liner type
Model year
Number of buckles
Shell materials & design
C.A.S. PU, Double Quick Instep
Ski boot type
Alpine downhill
Skill level
Double Cuff Alignment 12˚ Forward Lean
Type of buckles
Mach Sport 4 Micro ALU, Lift Lock
Walk/tour mode (Y/N)
Tecnica Mach Sport HV 100 Ski Boots · 2023
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Top reviews
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Allie Staffen
Allie Staffen
Verified ski expert
Reviewed Aug 19, 2022

100 flex is a great spot to allow for aggressive skiing and relaxed skiing whenever you're in the mood for either. These are built to give a quick and responsive feeling from your skis as you transition from edge to edge. And starting and ending the day getting these on and off is a breeze with their "double quick instep". Which is just basically a higher instep for easy entry/exit. Although they should fit perfect from the start compared to most boots, they do have some of the most customization possible with the liners and outer shell if you ever needed any adjustments made.

Kat Smith
Kat Smith
Verified ski expert
Reviewed Aug 10, 2022

This boot is designed for intermediate to advanced skiers with a wider foot. The last width is 103mm, giving your foot plenty of side to side space, and the flex rating is 100, which gives you just enough stiffness for control and stability without compromising comfort. The Tecnica C.A.S. system allows for customization if needed, although these boots boast out-of-the-box comfort! A perfect boot for all-day comfort!

Travis Gerhardt
Travis Gerhardt
Verified ski expert
Reviewed Aug 27, 2022

Technica offers a lot of room to customize their boots making them perfect if you might need more width in certain spots. The C.A.S. shell can be expanded quite a bit if needed along with the NFS liners that are completely heat moldable to get a very comfortable and precise fit. With that 100 flex it's a great spot that can cruise some green and blue trails but still be pushed a little harder when you want too!

Carl Beach
Carl Beach
Verified ski expert
Reviewed Sep 6, 2022

100 flex is right in that sweet spot of not being overly aggressive for a comfortable, all-day experience while allowing for good control of the skis. Tecnica's CAS shell system and moldable liner allow for a high amount of customization while the unique buckling system makes these boots easy to get on and off.

Sara Beeken
Sara Beeken
Verified ski expert
Reviewed Aug 9, 2022

This boot is a great balance between comfort and performance! Tecnica is known for having extremely customizable boots and this one is no different! If it doesn't feel great right off the bat, a bootfitter will have no problem adjusting it.