Sidas Merino wool insoles are designed specifically to your foot arch type and provide warmth, comfort, and support. The anatomical design of the insoles ensures a snug and comfortable fit, while the Merino wool construction offers natural odor control and breathability. The hybrid top cover provides a combination of durability and thermoregulation, making these insoles ideal for a variety of activities. Thermoregulates and absorbs odours EVA shell foot support and presure distribution Insulation and heel cushioning