The thermal field of the sole is in the ball area and is limited to approximately 5x5cm. On this surface the sole heats reliable, but not in the area of the heel. The sole can be cut well. The manual is formulated cumbersome because there is need for improvement. Highly recommended is the sole safe for those. Much standing or sitting The durability of the sole appears from the material were strong, whether it is suitable for continuous use on long walks, I can not judge.
