Celliant Technology - The Celliant insert is powered by 13 thermoreactive minerals that convert body heat into infrared energy. Infrared radiation penetrates deep into tissue to increase circulation, oxygen and blood flow. The result is better warmth, performance, thermal regulation and faster regeneration.

NFS technology - Comfortable shape of the inner shoe. Anatomically shaped inner padding. Heat-adaptable with hot air. They excel in great comfort and thermal insulation.

CAS Shell - The CAS shell has an anatomical shape that corresponds to the shape of the foot. This enables a better adaptation of the ski boots to your feet. Dimples on the skeleton reduce surface tension. The skeleton materials allow better and longer preservation of the adapted shape.

Features of CAS Shell:

• Anatomical and precise shape
• Easier and faster hot forming
• Easy customization

Quick Instep - Uses softer plastic in the instep area, which allows for easier opening of the skeleton when putting on and taking off ski boots.

Volume Concept - the anatomical shape of the lining and skeleton of the ski boot are the key to perfect fit and comfort.
The more the lining and skeleton match the natural shape of the foot, the better they fit the foot and enable you to perform better.

It is ideal if the ski boots fit on your feet immediately after unpacking from the box. In order for you to make the right decision before buying and to guarantee a perfect fit for every foot shape, Tecnica Mach models offer a choice of three skeleton width options, which are already mentioned in the model name:

• LV - Low Volume: 98mm
• MV - Mid Volume: 100mm
• HV - High Volume: 103mm