Sidas 3Feet Eco Winter Insoles - Mid
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Sidas 3Feet Eco Winter Insoles - Mid
2026 Winter Insoles for Ski Boots
The 3Feet® Eco Winter Mid are perfect for skiers with a medium arch looking for optimal support, reinforced thermal insulation and an eco-designed sole that integrates perfectly into their ski boots.
The 3Feet® Eco Winter Mid insole is designed for skiing, with an anatomical and ecological approach adapted to medium height arches. Thanks to the 3Feet® concept developed by Sidas, each type of arch has its own level of support. For medium arches, this insole incorporates an EVA shell for stability and support, ideal for optimizing body alignment.
Its woven polyester mesh cover and partially recycled Evamic Insulated foam (20%) provide durable thermal insulation for feet protected from the cold, while integrating easily into ski boots.
As part of our eco-conscious approach, this insole is manufactured with respect for the environment, with a carbon footprint of approximately 3.86 lbs of CO₂. For every insole sold, $1 is donated to the Sidas World Foundation to support ecosystem restoration efforts.
Benefits :
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Medium arches: Specific design for medium arches, offering adapted support.
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Body alignment: EVA shell provides stability and optimal foot support.
- Thermal insulation: Polyester mesh and Evamic Insulated foam for extra warmth and protection against the cold.
| Sizes | XS | S | M | L | XL | XXL |
|---|---|---|---|---|---|---|
| MP (foot length in cm) | 22-23 | 23.5-24.5 | 25-26.5 | 27-28 | 28.5-29.5 | 29.5-32 |
| EU | 35-36 | 37-38 | 39-41 | 42-43 | 44-45 | 46-48 |
| US | 3-4 | 5-6 | 7-8 | 9-10 | 11-12 | 13-14 |
| UK | 2-3 | 4-5 | 6-7 | 8-9 | 10-11 | 12-13 |
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Expert & Friendly Staff
Whether you’re hitting the slopes or catching waves, Arlberg Ski & Surf Shops in Portland and Freeport, Maine, have everything you need to gear up for your next adventure. Our expert and friendly staff are passionate about helping you find the perfect equipment and apparel tailored to your needs. With the best selection of top brands and cutting-edge gear, we’re here to ensure you’re ready for any terrain or weather. Swing by and experience our outstanding customer service, and let us help you make the most of your outdoor pursuits. See you soon at Arlberg!
Testimonials
I visited Arlberg in Portland, Maine and was extremely impressed with the customer service. Not only were they attentive but also knowledgeable of the products. We left with a beautiful snowboard. I will be back. Thank you!
Tasha
Goggle
The best ski and baord shop around. I can't say enough great things about my contiuned experiences with Arlberg... You just don't get that kind of service from most places anymore. You guys are #1 in my <3
Eden
Arlberg is, by far, my favorite place for my ski and snow needs. Their inventory is versatile and staff are wonderful. From an unknowing novice to someone who is now confident on any trail, their team has been nothing but kind, knowledgeable, and helpful along the way.
Meredith
Welcome to the 'berg!
Whether it's on snow or in the water, Arlberg Ski & Surf has outfitted four generations of loyal customers. We are proud to be considered one of Maine's best ski & surf shops and take pride in keeping it that way! Find out why by visiting us and seeing for yourself!
-John, Sandy and Jay
