Sidas 3Feet Eco Winter Mid insoles for ski boots
New, exceptionally warm, anatomically shaped, and ecologically produced insoles for ski boots, designed for feet with a medium arch. Suitable for skiing and other winter activities.
The warmest winter insoles from the Sidas 3Feet collection. Anatomically shaped and well-insulated insoles for ski boots and other winter footwear, adapted to your foot type. The 3Feet Eco Warm Mid insole is designed for medium arches, providing stability and support to the foot thanks to its anatomical construction from EVA materials. The surface is made of recycled polyester fabric, combined with Evamic insulating foam, ensuring even better thermal insulation.
The shape of the insole is adjusted for easy fitting into ski boots.
The insole's construction is adapted to the anatomy of a foot with a medium arch, intended for winter activities. With its 3D construction – supporting the longitudinal arch and providing a more precise heel fit in the heel cup – the insole optimally controls foot pronation. The supported foot thus maintains its shape under load, an effect particularly important for stiff boots like ski boots. EVA foam pad under the heel for shock absorption on the heel bone and for a more precise fit.
Designed with the environment in mind. Materials were chosen to reduce the carbon footprint during production while maintaining the highest level of thermal comfort and quality arch support to increase stability and comfort. Despite efforts to minimize the carbon footprint, we will never reach zero impact, which is why Sidas contributes to ecosystem regeneration, especially forests, by donating one euro for every pair of insoles sold through the Sidas World foundation.
Features
- The 3Feet Eco Warm Mid model is designed for feet with medium arches
- Orthopedically shaped EVA foam construction provides stability and support for the foot
- The cover made of polyester felt fabric combined with Evamic Insulated EVA foam (20% recycled) provides efficient thermal insulation and protects feet from cold
Dimensions in mm

Technical features:
1. Top cover felt: 100% recycled PES, excellent thermal insulation
2. EVA reinforcement (20% recycled material): foot support, body alignment, pressure distribution
3. EVA heel pad (20% recycled material): cushioning + lower profile for better fit in ski boots
4. Base material EVA RUBBER with double density: functional cushioning

How to use
- Remove the original insole and trim your new Sidas insole accordingly
- Insert the new insole into the boot
- Wash only with mild soap and a brush
- Do not dry on a radiator. For better drying, use Therm-ic boot dryers with forced air

| Colour | black, red |
| Sport | cross-country skiing, ski mountaineering, skiing |
| product ID | 299158 |
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