The design of the Winter 3D Performance insole developed by Sidas was created in collaboration with World Cup runners. It improves the skier's power transmission and heel stability in the boot. These factors allow the skier to turn more precisely and offer more comfort.

The integrated aluminum insulation foil and EVA foam keep your feet warm and give you extra support.

Features:
• TPU shell supports and distributes pressure
• EVA foam provides necessary comfort 
• Microfiber coating provides additional comfort and slip resistance
• Aluminum foil insulated
• Heel reinforcement: stability of the rear foot
• EVA heel cushion Shock absorption