The original Spanish slipper from Bernardino. These slippers are made of cow leather and have an anti-allergic inside (synthetic) or a lining of 100% wool fur. When it concerns wool, this is stated with the relevant article.
Bernardino slippers do not contain Chrome 6 components. View the story of the real Spanish slippers under customer service in the promotional videos, examined by the Van Waarde inspection service. (source KRO).