Premium Ergonomic Sole This ergonomic and dimensionally stable premium sole features foam cushioning in the heel, providing excellent comfort for those with soft heels. It offers reliable support that enhances overall foot health. Insulated Design The sole is insulated underneath with aluminum, ensuring warmth while reducing heat loss. The warm quilted wool is exceptionally soft and comfortable against the foot. Shock Absorption and Support Designed to be shock-absorbing, this sole provides excellent support for the entire foot, helping to reduce the risk of heel spurs and minimizing heel wear over time. Thermoregulatory and Moisture Management The wool used in the sole is thermoregulatory, efficiently absorbing and transporting moisture, keeping your feet dry and comfortable throughout the day.