Where did the idea of using merino wool for this type of footwear come from?

Society demands comfortable, sustainable and durable fashion and it is becoming more and more common to wear sneakers in our day by day. Our aim was to meet this need, but to do it in a unique way. To achieve this, we have resorted to a material that has been used a lot over the centuries, merino wool, but which fell into disuse due to the appearance of synthetic materials and the reduction of costs that this implies.