The thermal insoles are specifically designed for shoe size 43 and provide effective thermal insulation for the foot. Made from high-quality felt and EVA, these warming insoles offer additional comfort and protection against the cold. They are ideal for use in various types of shoes, whether for everyday wear or outdoor activities. With a set of 10 pairs, these insoles are a practical solution to extend the lifespan of your shoes while ensuring a pleasant foot climate. The combination of felt and EVA ensures an optimal fit to the foot shape and provides comfortable cushioning. These thermal insoles are a sensible addition for anyone who values warmth and comfort.