The Sidas 3Feet Eco Warm Mid ski boot insoles are shaped for medium arches. An EVA support shell combines with a recycled-polyester felt cover and Evamic Insulated foam.
| Feature | Specification |
|---|---|
| Arch profile | Medium |
| Use | Ski boots |
| Support shell | EVA |
| Top cover | Recycled-polyester felt |
| Insulating foam | Evamic Insulated EVA; 20% recycled content |
| Construction | Anatomical shape matched to arch profile |