the Boreal ski socks are a great choice for any skier

so you can easily run your tuning file

and what skier doesn't want something like that

45g - ZF4 Arctic -30°C to -15°C (-22°F to 5 °F)

The PS7 performs well in normal winter condition below the freezing point

Heat 3D Therm-ic Heated 3D Insoles Size:Small the Boreal ski socks areTired of cold, uncomfortable feet while skiing? With the Sidas heated 3d insoles, experience warmth and foot support all in one. These heated foot beds have ultra thin heating components for an optimal foot temperature and a microfiber top cover for performance, and comfort. Experience the Sidas technology that stimulates blood flow and eliminates cold feet on the mountain. Includes 1 pair of heated insoles Easy to install with directions right on the