The 3Feet® Eco Warm Mid insole is engineered for skiing, offering an anatomical and environmentally conscious design tailored to medium arches. Utilizing Sidas’ 3Feet® concept, it provides specific support levels for different arch types. For medium arches, the insole includes an EVA shell that delivers stability and support, promoting optimal body alignment. Its recycled polyester felt cover paired with Evamic insulating foam provides sustained warmth and excellent thermal insulation, fitting comfortably into ski boots for enhanced performance.