Challenge the competition. World Cup inspired design and a low volume fit give the X-10 Classic ski boot a responsive feel and podium-worthy precision for expert and fitness oriented skiers. The classic specific design shares technology with our athlete-proven X-IUM series to deliver competition level control and feel. They are insulated for warmth and protect your feet from wind and moisture.

Upgrade the comfort and performance of these boots with a pair of Sidas insoles:

Features

Precise Boot Flex
Dual Core Technology allows targeted boot stiffness for the most responsive feel without a weight penalty

Optimized Classic Flex
Our Expert Classic Sole is tuned for improved foot roll and enhanced kick for classic skiing

Breathable Warmth
WINTHERM® offers a breathable micro-perforated membrane that reflects heat back towards its source for incredible temperature regulation, comfort and warmth

Customizable Fit
Thermoadjustable liners can be heat-molded around your feet for a customized fit and comfort